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September 2012 Doc ID 023566 Rev 1 1/66

UM1564User manual

STM32373C-EVAL evaluation board

IntroductionThe STM32373C-EVAL evaluation board is designed as a complete demonstration and development platform for STMicroelectronics’ ARM cortex-M4 core-based STM32F373VCT6 microcontroller. It features two I2Cs, three SPIs, three USARTs, one CAN, one CEC controller, one 12-bit ADC, three 16-bit sigma delta ADCs, three 12-bit DACs, internal 32-KByte SRAM and 256-KByte Flash, touch sensing, USB FS, and JTAG debugging support. This evaluation board can be used as a reference design for user application development but it is not considered as the final application.

The full range of hardware features on the board can help the user evaluate all peripherals (USB FS, USART, audio DAC, microphone ADC, color LCD, IrDA, LDR (light-dependent resistor), MicroSD card, HDMI CEC, ECG (electrocardiogram), pressure sensor, CAN, IR (infrared) transmitter and receiver, EEPROM, touch slider, temperature sensor, etc.) and develop their own applications. Extension headers make it possible to easily connect a daughterboard or wrapping board for a specific application.

An ST-LINK/V2 is integrated on the board as an embedded in-circuit debugger and programmer for the STM32 MCU.

Figure 1. STM32373C-EVAL evaluation board

Table 1. Applicable tools

Type Part number

Evaluation tools STM32373C-EVAL

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http://www.st.com

Contents UM1564

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Contents

1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2 Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.3 Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.4 Delivery recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1 Development and debug support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.2 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.3 Power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.4 Clock sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.5 Reset source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.6 Boot option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.7 Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

2.8 USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.9 RS-232 and IrDA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.10 Touch sensing slider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2.11 MicroSD card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.12 RF EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.13 EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.14 CAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.15 HDMI CEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.16 IR transmitter and IR receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.17 Electrocardiogram demonstration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.18 PT100 temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.19 Pressure sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2.20 Analog input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.21 Potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

2.22 LDR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.23 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

2.24 Display and input devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

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3 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.1 HDMI sink connector CN1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.2 HDMI source connector CN2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

3.3 RF EEPROM daughterboard connector CN3 . . . . . . . . . . . . . . . . . . . . . . 32

3.4 CAN D-type 9-pin male connector CN5 . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3.5 MicroSD connector CN7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.6 Sigma Delta ADC connector CN9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3.7 SAR ADC DAC connector CN10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3.8 SAR ADC DAC connector CN11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3.9 RS-232 connector CN12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3.10 Daughterboard extension connectors CN13 and CN14 . . . . . . . . . . . . . . 36

3.11 ETM Trace debugging connector CN15 . . . . . . . . . . . . . . . . . . . . . . . . . . 40

3.12 User USB type B connector CN16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

3.13 JTAG/SWD debugging connector CN17 . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.14 Power connector CN18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3.15 ST-LINK/V2 programming connector CN19 . . . . . . . . . . . . . . . . . . . . . . . 42

3.16 TFT LCD connector CN20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.17 Audio jack CN21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.18 ST-LINK/V2 USB type B connector CN22 . . . . . . . . . . . . . . . . . . . . . . . . 42

4 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Appendix A STM32373C-EVAL pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Appendix B Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

List of tables UM1564

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List of tables

Table 1. Applicable tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Table 2. Third-party toolchain support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Table 3. Power-related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Table 4. Power mode related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Table 5. Low voltage limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Table 6. 8-MHz crystal (X2-related solder bridge) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Table 7. 32-KHz crystal (X1-related solder bridge). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Table 8. Boot-related switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Table 9. Boot0-related jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Table 10. Audio-related jumpers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Table 11. RS-232- and IrDA-related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Table 12. Touch sensing slider-related solder bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Table 13. EEPROM-related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Table 14. CAN-related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Table 15. Jumpers of the ECG amplifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Table 16. Temperature sensor voltage range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Table 17. PT100-related jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Table 18. Temperature sensor related solder bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Table 19. LCD modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Table 20. HDMI sink connector CN1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Table 21. HDMI source connector CN2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Table 22. RF EEPROM daughterboard connector CN3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Table 23. CAN D-type 9-pin male connector CN5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Table 24. MicroSD connector CN7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Table 25. Sigma Delta ADC connector CN9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Table 26. SAR ADC DAC connector CN10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Table 27. SAR ADC DAC connector CN11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Table 28. RS-232 connector CN12 with HW flow control and ISP support . . . . . . . . . . . . . . . . . . . . 35Table 29. Daughterboard extension connector CN13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Table 30. Daughterboard extension connector CN14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Table 31. ETM Trace debugging connector CN15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Table 32. User USB type B connector CN16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Table 33. JTAG/SWD debugging connector CN17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Table 34. USB type B connector CN22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Table 35. STM32373C-EVAL pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60Table 36. STM32373C mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64Table 37. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

UM1564 List of figures

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List of figures

Figure 1. STM32373C-EVAL evaluation board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Figure 2. Hardware block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Figure 3. STM32373C-EVAL evaluation board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Figure 4. Temperature measurement schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Figure 5. Pressure measurement schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Figure 6. STM32373C-EVAL potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Figure 7. STM32373C-EVAL LDR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Figure 8. HDMI sink connector CN1 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Figure 9. HDMI source connector CN2 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Figure 10. RF EEPROM daughterboard connector CN3 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . 32Figure 11. CAN D-type 9-pin male connector CN5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Figure 12. MicroSD connector CN7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Figure 13. Sigma Delta ADC connector CN9 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Figure 14. SAR ADC DAC connector CN10 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Figure 15. SAR ADC DAC connector CN11 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Figure 16. RS-232 connector CN12 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Figure 17. ETM Trace debugging connector CN15 (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Figure 18. User USB type B connector CN16 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Figure 19. JTAG/SWD debugging connector CN17 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Figure 20. Power supply connector CN18 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Figure 21. USB type B connector CN22 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Figure 22. Schematic diagram of STM32373C-EVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Figure 23. STM32373C-EVAL MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Figure 24. STM32373C-EVAL audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Figure 25. STM32373C-EVAL peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47Figure 26. STM32373C-EVAL power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48Figure 27. STM32373C-EVAL ST-LINK (JTAG only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49Figure 28. STM32373C-EVAL JTAG and Trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Figure 29. STM32373C-EVAL RS-232 and IrDA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51Figure 30. STM32373C-EVAL HDMI_CEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Figure 31. STM32373C-EVAL LCD and SD card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53Figure 32. STM32373C-EVAL CAN and IR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Figure 33. STM32373C-EVAL Touch slider. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55Figure 34. STM32373C-EVAL I2C peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56Figure 35. STM32373C-EVAL PT100 temperature sensor and connectors . . . . . . . . . . . . . . . . . . . . 57Figure 36. STM32373C-EVAL ECG and pressure sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Figure 37. MB989 LCD daughter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59Figure 38. STM32373C mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Overview UM1564

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1 Overview

1.1 Features● Four 5-V power supply options:

– Power jack

– ST-LINK/V2 USB connector

– User USB connector

– Daughterboard

● I2S audio DAC and stereo audio jack

● 2-Gbyte or more SPI interface MicroSD card

● I2C compatible serial interface temperature sensor, EEPROM, and RF EEPROM (dual interface EEPROM)

● RS-232 communication

● IrDA transceiver

● JTAG/SWD and ETM trace debug support, ST-LINK/V2 embedded

● 240x320 TFT color LCD connected to SPI interface

● Joystick with 4-directional control and selector

● Reset, wakeup or tamper and key button

● 4 color user LEDs and 2 LEDs as MCU power range indicators

● ECG, pressure sensor, and PT100 temperature sensor connected to 16-bit sigma delta ADC of the STM32F373VCT6

● Extension connectors for daughterboard or wrapping board

● Microcontroller voltage choice: 3.3 V or adjustable from 2.0 V to 3.6 V

● USB FS connector

● Touch slider

● RTC with backup battery

● CAN2.0A/B compliant connection

● Light-dependent resistor (LDR)

● Two HDMI connectors with DDC (display data channel) and CEC

● IR transmitter and receiver

● Two ADC and DAC input and output signal connectors and one sigma delta ADC input signal connector

● Potentiometer

1.2 Demonstration softwareDemonstration software is preloaded on the board’s Flash memory for easy demonstration of the device peripherals in standalone mode. For more information and to download the latest version available, please refer to the STM32373C-EVAL demonstration software available on www.st.com.

http://www.st.com

UM1564 Overview

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1.3 Order codeTo order the STM32F373VCT6 evaluation board, use the order code STM32373C-EVAL.

1.4 Delivery recommendationsSome verification of the board is needed before using it for the first time to make sure that nothing was damaged during shipment and that no components are unplugged or lost.

When the board is extracted from its plastic bag, please check that no component remains in the bag.

The main components to verify are:

1. The 8-MHz crystal (X2) which may have been removed by a shock from its socket.

2. The MicroSD card which may have been ejected from the connector CN7 (right side of the board).

3. The dual-interface EEPROM board (ANT7-M24LR-A) which may have been unplugged from the connector CN3 (top left corner of the board).

For all information concerning the version of the MCU used on the board, its specification and possible related limitations, please visit www.st.com to download the relevant data sheet and erratasheet.

Caution: There is an explosion risk if the battery is replaced by an incorrect one. Make sure to dispose of used batteries according to the instructions.

http://www.st.com

Hardware layout and configuration UM1564

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2 Hardware layout and configuration

The STM32373C-EVAL evaluation board is designed around the STM32F373VCT6 (100-pin LQFP package). The hardware block diagram, Figure 2, illustrates the connection between the STM32F373VCT6 and the peripherals (color LCD, touch slider, USB FS connector, temperature sensor, USART, IrDA, audio, EEPROM, RF EEPROM, MicroSD card, and embedded ST-LINK). Figure 3 illustrates how to locate these features on the actual evaluation board. Features described in Section 2.1 to Section 2.24 below are shown in Figure 3.

UM1564 Hardware layout and configuration

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Figure 2. Hardware block diagram

MS30560V1

Voltage translator

Joystick

LEDs

Wakeup, tamper. button

GPIO USART

RS232 transceiver

IrDA transceiver

USART2 connector

Embedded ST-LINK/V2

JTAG and trace

connector

USB type B connector

JTAG

Voltage translator

SPI3

Micro SD card

Dot matrix LCD

HDMI connectorCEC

EEPROM

RF EEPROM connector

Temperature sensor

Speaker amplifier

I2C

I2S

2.0 V to 3.6 V adjustable regulator

3.3 V regulator

Extension connector for

GPIOsDAC

ADC Amplifier Microphone

ComparatorPhoto-R

Touch slider

2-pin connector

USB connector

CAN driver and

connector

IR transmitter

IR receiver

TS controller

DAC/ADC

USB FS

CAN

IRTIM PWM

STM32F373VCT6

Potentiometer

GpAMP2

ADC

PT100 temp. sensor SD ADC

Pressure sensor and

amplifierSD ADC

ECG sensor and amplifier SD ADC

and


10/66 Doc ID 023566 Rev 1

Figure 3. STM32373C-EVAL evaluation board layout

S1Touch Slider

CN5CAN

CN3RF EEPROM

daughter board connector

TS1 & TS2ECG Probe

R63LDR

CN17 JTAG/SWD

CN22 ST-LINK/V2 USB CN21

Audio jack

LD7 ST-LINK/V2COM LED

B2Tamper Button

U34 Joystick

B1Reset Key 4 colors

LEDS

VDD range LEDs

RV 3Potentiometer

RV2VDD_Adjustment

CN18Power Jack

CN7MicroSD card

U12IrDA

U9STM32F373VCT6

CN13,CN14Extension header

CN15ETM TRACE

CN12USART2

CN1HDMI SINK

CN2HDMI SOURCE

U5Pressure Sensor

U22IR transmitter

LD10IR LED

U28Microphone

B3 Key Button

CN16 USB FS

MS30561V1


Doc ID 023566 Rev 1 11/66

2.1 Development and debug supportVersion 2 of the ST-LINK (ST-LINK/V2) is embedded on the board. This tool allows onboard program loading and debugging of the STM32F373VCT6 using the JTAG or SWD interface. Third-party debug tools are also supported using the JTAG/SWD connector (CN17) or the ETM trace connector (CN15).

A specific driver needs to be installed on your PC for communication with the embedded ST-LINK/V2. The install shield, called ST-LINK_V2_USBdriver.exe, is available from the ST website. To download and install this driver, please refer to the software and development tools page of the STM32F family on www.st.com.

Third-party toolchains, Atollic TrueSTUDIO, KEIL ARM-MDK, IAR EWARM, and Tasking VX-Toolset support ST-LINK/V2 according to Table 2.

Connect the embedded ST-LINK/V2 to the PC via a standard USB cable from connector CN22. The bi-color LED LD7 (COM in Figure 3) indicates the status of the communication as follows:

● Slow blinking red/off: at power-on before USB initialization

● Fast blinking red/off: after the first correct communication between the PC and STLink/V2 (enumeration).

● Red LED on: when initialization between the PC and ST-LINK/V2 is successfully finished.

● Green LED on: after successful target communication initialization

● Blinking red/green: during communication with target

● Red on: communication finished and OK

● Orange on: communication failure

Note: It is possible to power the board via CN22 (embedded ST-LINK/V2 USB connector) even if an external tool is connected to CN15 (ETM trace connector) or CN17 (external JTAG and SWD connector).

Remove R29, R73, and R89 when using the ETM 4-bit function. In this situation, the touch slider and joystick do not work.

Table 2. Third-party toolchain support

Toolchain Version

Atollic TrueSTUDIO 2.1

Keil MDK-ARM 4.20

IAR EWARM 6.20

Altium TASKING VX-Toolset 4.0.1

http://www.st.com


12/66 Doc ID 023566 Rev 1

2.2 Power supplySTM32373C-EVAL evaluation board is designed to be powered by a 5 V DC power supply and is protected by PolyZen U26 from damage caused by overvoltage and overcurrent fault conditions. It is possible to configure the evaluation board to use any of following four power supply sources:

● 5-V DC power adapter connected to CN18, the power jack on the board (see Power Supply Unit (PSU) in Figure 3). The external power supply is not provided with the board.

● 5-V DC power with 500 mA limitation from CN22, the type-B USB connector of ST-LINK/V2 (see STlk 5-V power source in Figure 3).

● 5-V DC power with 500 mA limitation from CN16, the type-B USB connector (see U5V 5-V power source in Figure 3).

● 5-V DC power from CN13 and CN14, the extension connector for the daughterboard (see D5V for daughterboard in Figure 3).

The power supply is configured by setting the related jumpers JP10, JP11, JP12, and JP13 as described in Table 3 below.

Table 3. Power-related jumpers

Jumper Description Jumper setting

JP10(selects one of the four possible power supply resources)

For power supply from the power supply jack (CN18) to the STM32373C-EVAL only, JP10 is set as shown to the right:

For power supply from the USB connector of ST-LINK/V2 (CN22) to STM32373C-EVAL only, JP10 is set as shown to the right:

For power supply from the USB connector (CN16) to STM32373C-EVAL only, JP10 is set as shown to the right:

For power supply from the daughterboard connectors (CN13 and CN14) to STM32373C-EVAL only, JP10 is set as shown to the right:

For power supply from the power supply jack (CN18) to both STM32373C -EVAL and daughterboard connected on CN13 & CN14, JP10 is set as shown to the right:Note: the daughterboard must not have its own power supply connected.


Doc ID 023566 Rev 1 13/66

Note: VDD is adjustable from 2.0 V to 3.6 V. However, to take component tolerance into account and to guarantee that VDD does not exceed the chip range specification, VDD is ideally designed to be adjusted from 2.1 V to 3.5 V on the board.

JP17 is connected with the VDDA power supply and the SD_VREF+ pin of the microcontroller. The default setting is closed. When the SD_VREF+ pin needs an extended reference level, please open JP17 and connect the extended reference to pin 1 (the top pin of JP17).

LED LD8 is lit (red) when the STM32373C-EVAL evaluation board is powered by a 5-V DC power supply. LED LD6 is lit (red) when the microcontroller is powered by VDD < 2.4 V (low voltage). LED LD5 is lit (green) when the microcontroller is powered by VDD > 2.4 V

JP11

Vbat is connected to a battery when JP11 is set as shown to the right:

Vbat is connected to the VDD power when JP11 is set as shown to the right:This is the default setting.

JP12

VDD is connected to a fixed 3.3-V DC power supply when JP12 is set as shown to the right:

This is the default setting.

VDD is connected to an adjustable DC power supply from 2.0 V to 3.6 V when JP12 is set as shown to the right:

JP13

VDDA power is connected to VDD when JP13 is set as shown to the right:


VDDA power is connected to a fixed 3.3-V DC power supply when JP13 is set as shown to the right:

Table 3. Power-related jumpers (continued)


321

321

321

321

321

321


14/66 Doc ID 023566 Rev 1

2.3 Power modesA total of three power modes are supported on the board and can be configured by setting the related jumpers JP12 and JP13 as described below in Table 4. The power modes are as follows:

● Power mode 1: VDD and VDDA are connected together and powered by a fixed 3.3-V DC power supply.

● Power mode 2: VDD and VDDA are connected together and powered by an adjustable voltage that ranges from 2.0 V to 3.6 V.

● Power mode 3: VDD is powered by an adjustable voltage that ranges from 2.0 V to 3.6 V while VDDA is powered by a fixed 3.3-V DC power supply.

Table 5 shows the low voltage limitations that might apply depending on the characteristics of some peripheral components. Components might work incorrectly when the power level is lower than the limitation.

Table 4. Power mode related jumpers

Power modePower mode configuration Microcontroller IDD

measurement(1)

1. To measure the IDD of the microcontroller, use a current meter mounted on JP15 (which must be open). JP16 must also be open to disconnect VDDA from any analog power (VDD_ANA) connected to the analog circuit.

JP12 JP13

Power mode 1

OK

Not allowed

Power mode 2 OK

Power mode 3 Not allowed

Table 5. Low voltage limitations

Peripheral Component IO nameLow voltage

limitation

USB CN16 USB 3 V

MicroSD card CN7 SPI3 2.7 V

CAN CN5 CAN 3 V

321 321

321 321

321 321

321 321


Doc ID 023566 Rev 1 15/66

Note: The recommended AC220 V to DC5 V power adapter is PSU-5V2A. It is not included with the board but can be ordered from ST as a separate item. You can also use another equivalent 5 V power adapter (polarity compatible with CN18) to power the STM32373C-EVAL board via the CN18 power jack on the board. To order the recommended power supply, use order code PSU-5V2A.

2.4 Clock sourcesTwo clock sources are available on the STM32373C-EVAL evaluation board for use with the STM32F373VCT6 microcontroller and embedded real-time clock (RTC). They are:

● 8-MHz crystal (X2) with socket clock source for the STM32F373VCT6 microcontroller. It can be removed from the socket when an internal RC clock is used (see Table 6).

● 32-KHz crystal (X1) for use with an embedded RTC (see Table 7).

Table 6. 8-MHz crystal (X2-related solder bridge)

Solder bridge Description

SB23

When SB23 is open, PF0 is connected to the 8-MHz crystal oscillator.


When SB23 is closed, PF0 is connected to the extension connector CN14. In this case, C18 and the X2 pin must be removed to avoid disturbance due to the 8-Mhz quartz.

SB24

When SB24 is open, PF1 is connected to the 8-MHz crystal oscillator.


When SB24 is closed, PF1 is connected to the extension connector CN14. In this case R38 must be removed to avoid disturbance due to the 8-Mhz quartz.

Table 7. 32-KHz crystal (X1-related solder bridge)


SB25

When SB25 is open, PC14 is connected to the 32-KHz crystal oscillator.


When SB25 is closed, PC14 is connected to the extension connector CN13. In this case, R36 must be removed to avoid disturbance due to the 32-Khz quartz.

SB26

When SB26 is open, PC15 is connected to 32-KHz crystal.


When SB26 is closed, PC15 is connected to the extension connector CN13. In this case, R37 must be removed to avoid disturbance due to the 32-Khz quartz.


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2.5 Reset sourceThe reset signal of the STM32373C-EVAL evaluation board is “low active” and the reset sources (see Figure 3) include:

● Reset button B1

● Debugging tools from JTAG/SWD connector CN17 and ETM trace connector CN15

● daughterboard from CN14

● Embedded ST-LINK/V2

● RS-232 connector CN12 for ISP (in-situ programming)

Note: See Section 2.9: RS-232 and IrDA to change jumper JP7 when performing a reset. This is handled by pin 8 of the RS-232 connector CN12 (clear to send (CTS) signal).

2.6 Boot optionThe STM32373C-EVAL evaluation board is able to boot from:

● Embedded user Flash

● System memory with boot loader for ISP

● Embedded SRAM for debugging

The boot option is configured by setting switch SW1 (BOOT0) and the User Option Bytes bit12 (BOOT1) in the small information block (SIF). BOOT0 can also be configured via the RS-232 connector CN12.

Table 8. Boot-related switches

Boot sourceBit12 in User Option Bytes

Switchconfiguration

STM32373C-EVAL boot from User Flash when SW1 and bit12 in the User Option Bytes are set as shown to the right.This is the default setting.

X

STM32373C-EVAL boot from Embedded SRAM when SW1 and bit12 in the User Option Bytes are set as shown to the right.

0

STM32373C-EVAL boot from System Memory when SW1 and bit12 in the User Option Bytes are set as shown to the right.

1


Doc ID 023566 Rev 1 17/66

2.7 AudioThe STM32373C-EVAL evaluation board supports stereo audio playback by an audio DAC CS43L22 connected to the I2S port and one channel of the STM32F373VCT6 DAC. The microphone is connected to the ADC input of STM32F373VCT6 through a microphone amplifier.

I2C communication depends on the settings of jumpers JP4 and JP5:

Note: The I2C address of CS43L22 is 0b1001010.

The audio reset is connected with PD11 which is powered by the VDDA domain. When the voltage of VDDA is not the same as the voltage of VDD (see Power mode 3 in Section 2.3), the signal voltages are translated by divider resistance, R79 and R103, to avoid harming the Audio Codec Chip U19.

Table 9. Boot0-related jumper

Jumper Description

JP9

When JP9 is closed, the Bootloader_BOOT0 is managed by pin 6 of connector CN12 (RS-232 DSR signal). This configuration is used for boot loader application only.

This is the default setting: it is not fitted.

Table 10. Audio-related jumpers


JP4

PA9 is connected to the I2C2_SCL_5V signal on the audio DAC, temperature sensor, RF EEPROM, and HDMI source connector when JP4 is set as shown to the right:


PA9 is connected to the I2C2_F_SCL signal on the EEPROM when JP4 is set as shown to the right:

JP5

PA10 is connected to the I2C2_SDA_5V signal on the audio DAC, temperature sensor, RF EEPROM, and HDMI source connector when JP5 is set as shown to the right:


PA10 is connected to the I2C2_F_SDA signal on the EEPROM when JP5 is set as shown to the right:

321

321

321

321


18/66 Doc ID 023566 Rev 1

2.8 USBSTM32373C-EVAL evaluation board supports USB2.0 compliant, full-speed communication via a USB type B connector (CN16). The evaluation board can be powered by this USB connection at 5 V DC with 500 mA current limitation.

USB disconnection simulation can be implemented by controlling an external 1.5 KΩ pull-up resistor on the USB+ line. The pull-up function can be enabled by PC5.

The USB operates correctly when VDD > 3 V.

2.9 RS-232 and IrDARS-232 (with hardware flow control clear to send (CTS) and request to send (RTS)) and IrDA communication are supported by:

● D-type 9-pin RS-232 connector (CN12)

● IrDA transceiver (U12)

They are connected to USART2 of the STM32F373VCT6 on the STM32373C-EVAL evaluation board. The Bootloader_RESET signal (which is shared with the CTS signal) and the Bootloader_BOOT0 signal which is shared with the demand signal repository (DSR) signal) are added on the RS-232 connector, CN12, for ISP support.

Table 11. RS-232- and IrDA-related jumpers


JP6

USART2_RX is connected to the RS-232 transceiver and RS-232 communication is enabled when JP6 is set as shown to the right:


USART2_RX is connected to the IrDA transceiver and IrDA communication is enabled when JP6 is set as shown to the right:

JP7

USART2_CTS is connected to the RS-232 transceiver when JP7 is set as shown to the right:


Bootloader_RESET is connected to the RS-232 transceiver when JP7 is set as shown to the right:

321

321

321

321


Doc ID 023566 Rev 1 19/66

2.10 Touch sensing sliderSTM32373C-EVAL evaluation board supports a touch sensing slider based on either resistor-capacitor (RC) charging or charge transfer technology. The charge transfer technology is enabled by default assembly.

Note: The touch slider is only fully functional when the STM32373C-EVAL is powered on Power mode 1 (both VDD and VDDA are connected to a fixed 3.3 V power supply). When the STM32373C-EVAL is powered on Power mode 2, it may be necessary to adjust the capacitor value of C123 and the firmware so they are adapted to a voltage range of 2.0 V to 3.6 V of VDD. The touch slider is not functional when the STM32373C-EVAL is powered on Power mode 3 because some IOs are also powered by the VDDA domain.

Table 12. Touch sensing slider-related solder bridges


SB8

When SB8 is open, PD15 is connected to the sampling capacitor. This is the default setting.

When SB8 is closed, PD15 is connected to the extension connector CN14. In this case, C7 must be removed to avoid disturbance due to the capacitor.

SB9

When SB9 is open, PD14 is connected to the touch slider.


When SB9 is closed, PD14 is connected to the extension connector CN14. In this case, R11 must be removed to avoid disturbance due to the touch slider

SB10




SB11




R93

When R93 is un-mounted, PE4 is connected to the touch slider. This is the default setting.

When R93 is mounted, PE4 is connected to the extension connector CN13. In this case, R31 must be removed to avoid disturbance due to the shield.

R95

When R95 is un-mounted, PE5 is connected to the slider.


When R95 is mounted, PE5 is connected to the extension connector CN13. In this case, R82 must be removed to avoid disturbance due to the capacitor.


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2.11 MicroSD cardThe 2-Gbyte (or more) MicroSD card connected to the SPI3 port (which is shared with the color LCD) of the STM32F373VCT6 is available on the evaluation board. It can be enabled by the chip select signal (PE2). This signal should be set as an open-drain output pin in the STM32F373VCT6. MicroSD card detection is managed by the standard IO port PE3.

The MicroSD card operates correctly when VDD > 2.7 V.

2.12 RF EEPROMThe RF EEPROM daughterboard, ANT7-M24LR-A, is mounted on CN3 of the STM32F373VCT6 via the I2C2 bus (which is shared with the temperature sensor U14, audio codec U19, and DDC on the HDMI_Source connector CN2). The RF EEPROM can be accessed by the microcontroller via the I2C2 bus or by radio frequency (RF) using a 13.56 MHz reader (for example, CR95HF).

The I2C address of the RF EEPROM daughterboard is 0b1010000.

I2C2 communication depends on the settings of jumper JP4 and JP5 as shown in Table 10: Audio-related jumpers.

2.13 EEPROMTo fit Fast mode requirements, a 1-Mbit EEPROM, M24M01-HR, is directly connected to the I2C2 bus of the STM32F373VCT6 by setting jumper JP4 and JP5 as shown in Table 10: Audio-related jumpers.

Table 13. EEPROM-related jumpers

Jumper Description

JP14When JP14 is closed, the EEPROM is in Write protection mode.This is the default setting: it is not fitted.

JP4, JP5 Refer to Table 10: Audio-related jumpers.


Doc ID 023566 Rev 1 21/66

2.14 CANThe STM32373C-EVAL evaluation board supports one channel of CAN2.0A/B complaint CAN bus communication based on a 3.3-V CAN transceiver. High-speed mode, Standby mode, and Slope control mode are available and can be selected by setting JP3.

CAN operates correctly when VDD > 3 V.

2.15 HDMI CECTwo HDMI connectors, CN1 and CN2, are available on the STM32373C-EVAL evaluation board.

● Connector CN1 is a HDMI sink connector with:

– DDC connected to I2C1 of the STM32F373VCT6

– HPD controlled by IO PE0 through transistor T1

– CEC connected to PB8 through transistor T2

● Connector CN2 is an HDMI source connector with:

– DDC connected to I2C2 (and shared with the temperature sensor, RF EEPROM, and audio codec) of the STM32F373VCT6 by setting jumper JP4 and JP5 as shown in Table 10: Audio-related jumpers.

– HPD controlled by IO PD7

– CEC connected to PB8 through transistor T2

– HDMI 5-V powered by power switch U1

The signals TDMS D+[0:2], TDMS_CLK+, TDMS D-[0:2], and TDMS_CLK- are connected together on these two HDMI connectors.

CEC injector mode can be enabled (for debugging purposes only) as follows:

● Remove resistors R120, R172, R173, R174, R175, R213, and R221.

● Close solder bridges SB1, SB2, SB3, and SB4.

Table 14. CAN-related jumpers

Jumper Description and jumper setting

JP3

The CAN transceiver operates in Standby mode when JP3 is set as shown to the right:

The CAN transceiver operates in High-speed mode when JP3 is set as shown to the right: This is the default setting.

The CAN transceiver operates in Slope control mode when JP3 is open.

JP2When JP2 is fitted, the CAN terminal resistor is enabled.

Default setting: not fitted.

321

321


22/66 Doc ID 023566 Rev 1

Note: The I/O PE0 must be set in open-drain output mode by firmware when working as an HPD signal control on the HDMI sink connector CN1.

2.16 IR transmitter and IR receiverThe IR receiver, TSOP34836, is connected to PB5 of the STM32F373VCT6 and the IR transmitter is driven by PB9 through transistors T6 and T7 on the evaluation board.

The IR transmitter may be driven directly by PB9 when SB28 is closed and R240 is removed.

2.17 Electrocardiogram demonstrationThe electrocardiogram (ECG) demonstration is implemented on the STM32373C-EVAL evaluation board. There are two ECG electrodes, TS1 and TS2, on the board for fingers from the right and left hands of the human body. The first stage of the ECG amplifier circuit is an instrument amplifier INA333 (U2). The gain is set to 5. The gain of the second amplifier stage (U3A) is set to 10 or 40. The total gain of the circuit outside the microcontroller is set to 50 or 200. The output of the amplifier is connected to the sigma delta ADC in the STM32F373VCT6 through PE12.

Jumper JP1 can change the second stage amplifier gain (see Table 15).

A low-pass filter is available on the evaluation board but, by default, it is not used. This filter is made of a second order Sallen-Key Low-pass Filter (U3C) having unitary gain and 9 Hz cut-off frequency. It can be used in noisy environments to improve 50 Hz or 60 Hz noise rejection.

This filter is enabled by removing R14 and soldering 0 Ω on the R183 footprint.

Caution is needed for ECG detection and heartbeat measurement. The recommendations are:

1. Humid air and fingers

2. Large area in contact with the electrodes

3. Relaxed body with no movement

4. Digital (and or) analog filtering to improve 50 Hz or 60 Hz noise rejection

5. Third electrode usage connected to GND

6. Evaluation board preferably powered by USB

7. Body must be electrically isolated from earth

Table 15. Jumpers of the ECG amplifier

Jumper Description

JP1When JP1 is closed, the second amplifier gain is changed from 10 to 40.

Default setting: fitted.


Doc ID 023566 Rev 1 23/66

2.18 PT100 temperature sensorThere is a current source circuit on the STM32373C-EVAL evaluation board to provide a fixed 1 mA current (when VDD = 3.3 V) to the platinum probe PT100 (R30). The R30 voltage level is directly applied to the sigma delta ADC of the STM32F373VCT6, through PE7, to measure the temperature value on PT100.

For temperatures lower than 100 °C, the resistor value is given by Equation 1.

Equation 1

T is the temperature in degrees Celsius.

The principle of the PT100 temperature sensor measurement is given in Figure 4.

Figure 4. Temperature measurement schematic diagram

The operational amplifier, A1, and the resistors R1 to R5 form a differential amplifier with a differential gain (GA1).

Due to the resistor values chosen, GA1 is equal to 1. This is known because the resistor bridge, R1 and R2, connected to VDD is equivalent to the VDD/2 generator where R1/2 = R internal resistor.

The voltage on Rref is given in Equation 2 to Equation 5.

RPT100 100 0.385 T×+=

MS30569V1

R3 = R

A1

A2

R4 = R

TSV631A

TSV631A

R5 = R

+

+

-

-

RPT100 VADC

ADC IN

VDD

R1 = 2R

R2 = 2R

VDD

R1 = 2R

R2 = 2R

R refR ref = VDD/2

VRref = VDD/2

RVRref

=


24/66 Doc ID 023566 Rev 1

Equation 2

Equation 3

Equation 4

Equation 5

The voltage on the ADC input is given in Equation 6.

Equation 6

The measured PT100 value given by the ADC is shown in Equation 7.

Equation 7

Where:

● N is the value returned by the ADC corresponding to the voltage measured.

● Vref_ADC is the ADC reference voltage (SD_VREF+ in Figure 26).

If Vref_ADC = VDD, the RPT100 value becomes as shown in Equation 8.

Equation 8

Conclusion

When the JP17 jumper is closed and the external reference voltage selected (Vref_ADC) equals VDD, the temperature measurement becomes VDD independent.

Table 16 shows the voltage range corresponding to different temperatures for the ADC IN of the STM32F373VCT6 where gain = 16.

Table 16. Temperature sensor voltage range

VDD = 3.3 V Temperature (°C) Resistance (Ω) Voltage (mV) Vin ADC (V)

Rref = 1.8 KΩ

0 100 100 1.6

20 107.7 107.7 1.7

50 119.2 119.2 1.9

VOUTA1 VREF VOUTA2 (since GA1 1 )=+=

VOUTA2 VPT100=

VREF VOUTA1 VPT100–=

VRref Vref VDD 2⁄= =

VADC VPT100 VRref RPT100 Rref RPT100 VDD 2 Rref×( )⁄×=⁄×= =

RPT100 Vref_ADC N 216 1–( )⁄×[ ] 2 Rref VDD( )⁄××=

RPT100 N 216 1–( )⁄[ ] 2 Rref××=


Doc ID 023566 Rev 1 25/66

Note: A 100 Ω 0.1% resistor, R121, is used to calibrate PT100 by setting JP18.

Note: The temperature result measured from PT100 is slightly higher than ambient temperature due to board heat.

Table 17. PT100-related jumper

Jumper Description and jumper setting

JP18

The 100-ohm 0.1% resistor is connected for calibration when JP18 is set as shown to the right:

PT100 resistor is connected to measure temperature when JP18 is set as shown to the right:


321

321


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2.19 Pressure sensorAn absolute pressure sensor with 1000 HP, full scale MPX2102, and an analog front end is implemented on the STM32373C-EVAL board. The output differential pair is connected to the sigma delta ADC in the STM32F373VCT6 via PE8 (P) and PE9 (N).

The principle of the pressure measurement is given in Figure 5.

Figure 5. Pressure measurement schematic diagram

The differential voltage, at output, of the amplifier is given in Equation 9.

Equation 9

where:

● G represents the operational amplifier differential gain when R3 is infinite.

● G = 2 * R2/R1 + 1

MS30570V1

R3

+

-

VDD

VOUT+

R2

R1

R2

+

-

R3

V OUT-

VIN+

VIN-

VDD

R4

VTEMP

MPX2102

VOUT+ VOUT-– VIN+ VIN-–( ) G R2 R3⁄+( ) VDD R2 R3⁄×–×=


Doc ID 023566 Rev 1 27/66

The operational amplifier differential input voltage provided by the pressure sensor is given in Equation 10.

Equation 10

Where:

● Pm = the pressure measured

● K = sensitivity of the sensor (40 mV for VDD = 10 V and 1000 HPa)

The ADC output is related to the differential voltage by Equation 11.

Equation 11

where:

● N is the value returned by the ADC corresponding to the pressure measured

● Vref_ADC is the ADC reference voltage (SD_VREF+ in Figure 26)

● GADC is the ADC digital gain

So, if Vref_ADC = VDD Equation 11 becomes Equation 12.

Equation 12

Conclusion

1. When the ADC external reference voltage is selected and JP17 jumper is closed, Vref_ADC = VDD so the pressure measurement becomes VDD independent.

2. The R2/R3 term in Equation 11 and Equation 12 allows the offset voltage corresponding to atmospheric pressure to be partially reduced. Consequently, the digital gain can be increased to improve sensitivity.

Note: VTEMP may be used to compensate the temperature sensor drift by measuring the sensor current change with temperature.

VIN+ VIN-– Pm K VDD××=

VADC Vref_ADC N 216 1–( )⁄× Pm K× VDD× G R2 R3⁄+( ) VDD R2 R3⁄×–×[ ] GADC×= =

N 216 1–( )⁄ Pm K× G R2 R3⁄+( ) R2 R3⁄–×[ ] GADC×=


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2.20 Analog inputThree 2-pin connectors, CN9, CN10 and CN11, are connected to STM32F373VCT6 as external analog inputs or DAC outputs.

CN9 connected to Sigma Delta ADC through PE11: a low-pass filter can be implemented for the 2-pin connector by replacing R212 and C118 for ADC input with the right values of the resistor and capacitor as required by end user’s application.

CN10 connected to ADC SAR input and DAC output through PA5: a low-pass filter can be implemented for the 2-pin connector by replacing R42 and C21 for ADC input or replacing R40 and C21 for DAC output with the right values of the resistor and capacitor as required by end user’s application.

CN11 connected to ADC SAR input and DAC output through PA4: a low-pass filter can be implemented for the 2-pin connector by replacing R45 and C26 for ADC input or replacing R43 and C26 for DAC output with the right values of the resistor and capacitor as required by end user’s application.

2.21 PotentiometerA 10K ohm potentiometer RV3 is connected to comparator 2 through PA3 and ADC through PB1 (default connection), as shown in Figure 6.

Figure 6. STM32373C-EVAL potentiometer

MS30943V1

+

-

OUT

GPCOMP2_IN+

GPCOMP2_IN-

Band gap 1.2 V

GP comparator

PB1

RV3 PA30

0

NC

ADC_SD1_AIN3P-AIN2M

ADC_SAR_AIN9

GND

VDDA


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2.22 LDRA light dependent resistor (LDR) is connected to ADC or comparator 1 through PA1, as shown in Figure 7.

Figure 7. STM32373C-EVAL LDR

2.23 Temperature sensorTemperature sensor STLM75M2E is connected to the I2C2 bus of STM32F373VCT6 when jumpers JP4 and JP5 are set as shown in Table 10. It shares the same I2C2 bus with RF EEPROM, Audio codec and DDC on the HDMI_Source connector.

I2C address of temperature sensor is 0b100100(A0). A0 can be 0 or 1 depending on the setting of SB27.

Note: The temperature result measured from STLM75M2E is slightly higher than ambient temperature due to board heat.

MS30944V1

+

-

OUT

GPCOMP2_IN+

GPCOMP2_IN-

Band gap 1.2 V

GP comparator

LDR_OUT PA10

NC

ADC_SAR_IN1

GND

VDDA

LDR

Table 18. Temperature sensor related solder bridge


SB27I2C address A0 is 0 when SB27 is open (default setting).

I2C address A0 is 1 when SB27 is closed


30/66 Doc ID 023566 Rev 1

2.24 Display and input devicesThe 240x320 TFT color LCD connected to port SPI3 of STM32F373VCT6 (shared with the MicroSD card) and four general-purpose color LEDs (LD1, LD2, LD3, LD4) are available as display devices. LED LD9 is connected with PA7 to show the status of comparator 2 when debugging. The 4-direction joystick (U34) with selection wakeup button (B2) and key button (B3) are available as input devices.

The LCD can be enabled by chip select signal PD2 and this signal should be set as open-drain output pin in STM32F373VCT6. All joystick signals should be set as pull-down input pin in STM32F373VCT6.

Table 19. LCD modules

TFT LCD CN20

Pin on CN20 Description Pin connection

1 CS PD2

2 SCL PC10

3 SDI PC12

4 RS -

5 WR -

6 RD -

7 SDO PC11

8 RESET RESET#

9 VDD 3.3V

10 VCI 3.3V

11 GND GND

12 GND GND

13 BL_VDD 3.3V

14 BL_Control 3.3V

15 BL_GND GND

16 BL_GND GND

UM1564 Connectors

Doc ID 023566 Rev 1 31/66

3 Connectors

3.1 HDMI sink connector CN1

Figure 8. HDMI sink connector CN1 (front view)

3.2 HDMI source connector CN2

Figure 9. HDMI source connector CN2 (front view)

Table 20. HDMI sink connector CN1

Pin number Description Pin number Description

1, 3, 4, 6, 7, 9, 10, 12

TMDS differential signal pair connected to CN2

15 I2C1_SCL (PB6)

2, 5, 8, 11, 17 GND 16 I2C1_SDA (PB7)

13 CEC (PB8 through NMOS) 18 HDMI_5V_Sink

14 NC 19 HPD (PE0 through transistor)

Connectors UM1564

32/66 Doc ID 023566 Rev 1

3.3 RF EEPROM daughterboard connector CN3

Figure 10. RF EEPROM daughterboard connector CN3 (front view)

3.4 CAN D-type 9-pin male connector CN5

Figure 11. CAN D-type 9-pin male connector CN5

Table 21. HDMI source connector CN2


1, 3, 4, 6, 7, 9, 10, 12

TMDS differential signal pair connected to CN1

15 I2C2_SCL (PA9)

2, 5, 8, 11, 17 GND 16 I2C2_SDA (PA10)

13 CEC (PB8 through NMOS) 18HDMI_5V_Source from power switch U1

14 NC 19 HPD (PD7)

Table 22. RF EEPROM daughterboard connector CN3


1 SDA (PA10) 3 +5 V

2 SCL (PA9) 4 GND

Table 23. CAN D-type 9-pin male connector CN5


1, 4, 8, 9 NC 7 CANH

2 CANL 3, 5, 6 GND

6 7 8 9

1 2 3 4 5

Front view

MS19140V2

UM1564 Connectors

Doc ID 023566 Rev 1 33/66

3.5 MicroSD connector CN7

Figure 12. MicroSD connector CN7

3.6 Sigma Delta ADC connector CN9

Figure 13. Sigma Delta ADC connector CN9 (top view)

Table 24. MicroSD connector CN7


1 NC 6 Vss/GND

2 MicroSDcard_CS (PE2) 7 MicroSDcard_DOUT (PC11)

3 MicroSDcard_DIN (PC12) 8 NC

4 +3V3 9 GND

5 MicroSDcard_CLK (PC10) 10 MicroSDcard_detect (PE3)

Table 25. Sigma Delta ADC connector CN9


1 AGND 2 Sigma Delta ADC input PE11

MS30945V1

1

2

Connectors UM1564

34/66 Doc ID 023566 Rev 1

3.7 SAR ADC DAC connector CN10

Figure 14. SAR ADC DAC connector CN10 (top view)

3.8 SAR ADC DAC connector CN11

Figure 15. SAR ADC DAC connector CN11 (top view)

Table 26. SAR ADC DAC connector CN10


1 AGND 2 ADC-DAC input & output PA5

MS30945V1

1

2

Table 27. SAR ADC DAC connector CN11


1 GND 2 ADC-DAC input & output PA4

MS30945V1

1

2

UM1564 Connectors

Doc ID 023566 Rev 1 35/66

3.9 RS-232 connector CN12

Figure 16. RS-232 connector CN12 (front view)

Table 28. RS-232 connector CN12 with HW flow control and ISP support


1 NC 6 Bootloader_BOOT0

2 RS232_RX (PD6) 7 RS232_RTS(PD4)

3 RS232_TX (PD5) 8 RS232_CTS(PD3)/Bootloader_RESET

4 NC 9 NC

5 GND

6 7 8 9

1 2 3 4 5

Front view

MS19140V2

Connectors UM1564

36/66 Doc ID 023566 Rev 1

3.10 Daughterboard extension connectors CN13 and CN14Two 50-pins male header connectors CN13 and CN14 can be used to connect with daughterboard or standard wrapping board to STM32373C-EVAL evaluation board. All GPI/Os are available on them. The space between these two connectors and position of power, GND and RESET pins are defined as a standard which allows to develop common daughterboards for several evaluations boards.

The standard width between CN13 pin1 and CN14 pin1 is 2700 mils (68.58 mm). The standard was implemented on the majority of evaluation boards. Each pin on CN13 and CN14 can be used by a daughterboard after disconnecting it from the corresponding function block on STM32373C-EVAL evaluation board. Please refer to Table 29 and Table 30 for more details.

Table 29. Daughterboard extension connector CN13

Pin Description Alternative functionHow to disconnect from function block

on STM32373C-EVAL board

1 GND - -

3 PC7 I2S_CK -

5 PC9 I2S_DIN -

7 PA10 I2C2_SDA Keep JP5 on open.

9 PA11 USB_DM Remove R61.

11 PC14 OSC32_IN Remove R36, close SB25.

13 PA13 SWDAT/JTMS Disconnect CN15, CN17.

15 PC15 OSC32_OUT Remove R37, close SB26.

17 PA15 JTDI Disconnect CN15, CN17.

19 GND - -

21 PD0 CAN_RX Remove R10.

23 PD2 LCD_CS Remove R163.

25 PD4 USART2_RTS Remove R46.

27 PD6 USART2_RX/ IRDA Remove R199.

29 PD7 HDMI_HPD_SOURCE Remove R135.

31 PB3 JTDO/TRACESWO Disconnect CN15, CN17.

33 PB5 IR_IN Remove R113.

35 PB7 I2C1_SDA Remove R148.

37 PB9 IR-Out_LED Remove R249.

39 GND - -

41 PE3 TRACED0 / uSDcard_Detect Remove R60, R64.

43 PE5 TRACED2 / SHIELD_CT Remove R83, mount R95.

45 PF9 JOYSTICK_RIGHT Remove R91.

47 PF10 JOYSTICK_UP Remove R69.

49 D5V - -

UM1564 Connectors

Doc ID 023566 Rev 1 37/66

2 PC6 I2S_WS -

4 PC8 I2S_MCK -

6 PA8 I2C2_SMB Remove R215.

8 PA9 I2C2_SCL Keep JP4 on open.

10 GND - -

12 PA12 USB_DP Remove R75.

14 PF6 - -

16 PA14 SWCLK/JTCK Disconnect CN15, CN17.

18 PC10 SPI3_SCK -

20 PC11 SPI3_MISO Remove R24.

22 PC12 SPI3_MOSI -

24 PD1 CAN_TX Remove R248.

26 PD3 USART2_CTS Remove R210.

28 PD5 USART2_TX/ IRDA Remove R47.

30 GND - -

32 PB4 JNTRST Disconnect CN15, CN17.

34 PB6 I2C1_SCL Remove R139.

36 PB8 CEC Remove R159.

38 PE0 HDMI_HPD_SINK Remove R176.

40 PE1 - -

42 PE2 TRACECLK / SPI3_CS_uSDcard Remove R35, disconnect CN15.

44 PE4 TRACED1 /SHIELD Remove R72, mount R93.

46 PE6 TRACED3 / WKUP_JOYSTICK_SEL Remove R85, R89.

48 +3V3 - -

50 GND - -

Table 29. Daughterboard extension connector CN13 (continued)



Connectors UM1564

38/66 Doc ID 023566 Rev 1

Table 30. Daughterboard extension connector CN14



1 GND -

3 PD14 SLIDER_3 Remove R11, close SB9.

5 PD11 AUDIO_RST Remove R79.

7 PD9 - -

9 PC13 - -

11 RESET# - -

13 PB15 - -

15 PB10 - -

17 PE14 PRESSURE_TEMPERATURE Remove R196.

19 D5V - -

21 PE11 ADC_SD Remove R39.

23 PF0 OSC_IN Remove X2, C18, close SB23.

25 PE9 PRESSURE_N Remove R21, C9, close SB17.

27 PE8 PRESSURE_P Remove R23, C10, close SB16.

29 PB2 1.8V POR_RFU Remove R98.

31 PB1 ADC_POT_IN Remove R52, C62.

33 PC5 USB_DISCONNECT Remove R51.

35 PA7 COMP2_OUT_LED Remove R22.

37 PA5 ADC_DAC_SAR2 Remove R40.

39 GND - -

41 PA3 COM_IN+ Remove R54.

43 PA1 LDR_OUT Remove R62.

45 PF2 JOYSTICK_DOWN Remove R67.

47 PC2 LED3 Remove R77.


2 PD15 SLIDER_CT Remove C7, close SB8.



8 PD10 - -

10 GND - -

12 PD8 - -

14 PB14 - -

16 PE15 - -

18 PE13 - -

UM1564 Connectors

Doc ID 023566 Rev 1 39/66

20 PE12 ECG Remove R14, close SB13.

22 PE10 - -

24 VDD - -

26 PF1 OSC_OUT Remove R38, close SB24.

28 PE7 RTD_IN Remove C11, C17, R34, close SB18.

30 GND - -

32 PB0 MIC_IN Remove R136.

34 PC4 - -

36 PA6 DAC2_OUT1_AUDIO / ECG_DAC Remove R92, R201.

38 PA4 ADC_DAC_SAR1 Remove R43.

40 PF4 JOYSTICK_LEFT Remove R68.

42 PA2 KEY_BUTTON Remove R90.

44 PA0 WKUP_BUTTON / IDD Remove R150.



50 GND - -

Table 30. Daughterboard extension connector CN14 (continued)



Connectors UM1564

40/66 Doc ID 023566 Rev 1

3.11 ETM Trace debugging connector CN15

Figure 17. ETM Trace debugging connector CN15 (top view)

3.12 User USB type B connector CN16

Figure 18. User USB type B connector CN16 (front view)

Table 31. ETM Trace debugging connector CN15


1 VDD power 2 TMS/PA13

3 GND 4 TCK/PA14

5 GND 6 TDO/PB3

7 KEY 8 TDI/PA15

9 GND 10 RESET#

11 GND 12 TraceCLK/PE2

13 GND 14 TraceD0/PE3 or SWO/PB3

15 GND 16 TraceD1/PE4 or nTRST/PB4

17 GND 18 TraceD2/PE5

19 GND 20 TraceD3/PE6

MS30946V1

19 17 15 13 11 9 7 5 3 1

20 18 16 14 12 10 8 6 4 2

11 9

Table 32. User USB type B connector CN16


1 VBUS (power) 4 GND

2 DM 5, 6 Shield

3 DP

UM1564 Connectors

Doc ID 023566 Rev 1 41/66

3.13 JTAG/SWD debugging connector CN17

Figure 19. JTAG/SWD debugging connector CN17 (top view)

3.14 Power connector CN18The STM32373C-EVAL evaluation board can be powered by a DC 5V power supply via the external power supply jack connector (CN18) shown in Figure 20. The central pin of CN18 must be positive.

Figure 20. Power supply connector CN18 (front view)

Table 33. JTAG/SWD debugging connector CN17


1 VDD power 2 VDD power

3 PB4 4 GND

5 PA15 6 GND

7 PA13 8 GND

9 PA14 10 GND

11 RTCK 12 GND

13 PB3 14 GND

15 RESET# 16 GND

17 DBGRQ 18 GND

19 DBGACK 20 GND

MS30946V1

19 17 15 13 11 9 7 5 3 1

20 18 16 14 12 10 8 6 4 2

11 9

Connectors UM1564

42/66 Doc ID 023566 Rev 1

3.15 ST-LINK/V2 programming connector CN19Connector CN19 is used only for embedded ST-LINK/V2 programming during board manufacture. It is not populated by default and not for end user.

3.16 TFT LCD connector CN20A TFT color LCD board is mounted on CN20. Please refer to Section 2.24: Display and input devices for more details.

3.17 Audio jack CN21A 3.5 mm stereo audio jack CN21 connected to audio DAC is available on STM32373C-EVAL board.

3.18 ST-LINK/V2 USB type B connector CN22USB connector CN22 is used to connect the embedded ST-LINK/V2 to the PC for board-debugging purposes.

Figure 21. USB type B connector CN22 (front view)

Table 34. USB type B connector CN22


1 VBUS (power) 4 GND

2 DM 5, 6 Shield

3 DP

UM1564 Schematics

Doc ID 023566 Rev 1 43/66

4 Schematics

The following schematics are listed:

● Figure 22: Schematic diagram of STM32373C-EVAL on page 44

● Figure 23: STM32373C-EVAL MCU on page 45

● Figure 24: STM32373C-EVAL audio on page 46

● Figure 25: STM32373C-EVAL peripherals on page 47

● Figure 26: STM32373C-EVAL power on page 48

● Figure 27: STM32373C-EVAL ST-LINK (JTAG only) on page 49

● Figure 28: STM32373C-EVAL JTAG and Trace on page 50

● Figure 29: STM32373C-EVAL RS-232 and IrDA on page 51

● Figure 30: STM32373C-EVAL HDMI_CEC on page 52

● Figure 31: STM32373C-EVAL LCD and SD card on page 53

● Figure 32: STM32373C-EVAL CAN and IR on page 54

● Figure 33: STM32373C-EVAL Touch slider on page 55

● Figure 34: STM32373C-EVAL I2C peripherals on page 56

● Figure 35: STM32373C-EVAL PT100 temperature sensor and connectors on page 57

● Figure 36: STM32373C-EVAL ECG and pressure sensor on page 58

● Figure 37: MB989 LCD daughter on page 59

Schematics UM1564

44/66 Doc ID 023566 Rev 1

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UM1564 Schematics

Doc ID 023566 Rev 1 45/66

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820

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

2526

2728

2930

3132

3334

3536

3738

3940

4142

4344

4546

4748

4950

CN

13

2213

S-50G

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

2526

2728

2930

3132

3334

3536

3738

3940

4142

4344

4546

4748

4950

CN

14

2213

S-50G

PB5

PB6

PB7

PA4

PA5

PA6

PA7

PA11

PA12

PA9

PA10

PB14

PB15

PB10

PB8

PA0

PB9

PA1

PB1

PB2

PA15

PB3

PB0

PA3

PA13

PA14

PB4

PA2

PA8

PE0

PD0

PD1

PD3

PD4

PD5

PD6

PC10

PC11

PC12

PE14

PC5

PD8

PD9

PD10

PD11

PC6

PC7

PC8

PC9

PE9

PE8

PE11

PE10

PE12

PE13

PC1

PC2

PC3

PD2

PE1

PC4

PE2

PE3

PE6

PC0

PD7

PE7

PC13

+3V3

D5V

D5V

Ext

ensi

on c

onne

ctor

Boo

tload

er_B

OO

T0

Boo

tload

er_R

ES

ET

JP8

D2

BAT

60J

JP9

D1

BAT

60J

AD

C_D

AC

_SA

R1

I2S

_DIN

PC14

PC15

SB

25

SB

26

Ope

n by

defa

ult

Left

Rig

ht

PF0-

OS

C_I

N12

PF1-

OS

C_O

UT13

NR

ST14

PA0

23

PA1

24

PA2

25

PA3

26

PA4

29

PA5

30

PA6

31

PA7

32

PB0

35

PB1

36

PB2

37

PB10

47

PB14

53

PB15

54

PA8

67

PA9

68

PA10

69

PA11

70

PA12

71

PA13

72

PF6

73

PA14

76

PA15

77

PB3

89

PB4

90

PB5

91

PB6

92

PB7

93

BO

OT0

94

PB8

95

PB9

96

PE2

1PE

32

PE4

3PE

54

PE6-

WK

UP3

5

PC13

-WK

UP2

7PC

14-O

SC

32_I

N8

PC15

-OS

C32

_OUT

9

PC0

15PC

116

PC2

17PC

318

PC4

33PC

534

PE7

38PE

839

PE9

40PE

1041

PE11

42PE

1243

PE13

44PE

1445

PE15

46

PD8

55PD

956

PD10

57PD

1158

PD12

59PD

1360

PD14

61PD

1562

PC6

63PC

764

PC8

65PC

966

PC10

78PC

1179

PC12

80

PD0

81PD

182

PD2

83PD

384

PD4

85PD

586

PD6

87PD

788

PE0

97PE

198

PF9

10

PF10

11

PF2

19

PF4

27

U9A

STM

32F

373V

CT6

I2C

2_S

MB

US

B_D

P

CA

N_R

XC

AN

_TX

SLI

DE

R_C

T

Mic

roS

D_C

STR

AC

E_D0

TRA

CE

_D1

Key

_But

ton

JOY

_SE

LR

TD_I

N

PRE

SS

UR

E_T

EMP

JOY

_DO

WN

JOY

_LE

FT

JOY

_UP

JOY

_RIG

HT

PF2

PF4

PF6

PF9

PF10

PF0

PF1

PF2

PF4

PF6

PF9

PF10

PF0

PF1

VDD

SB

23

SB

24

DA

C2_

OUT

TRA

CE

_CK

LCD

_CS

R72

0R

290

SHI

ELD

TRA

CE

_D2R

830

R73

0S

HIEL

D_C

T

R85

0TR

AC

E_D3

HD

MI_

HPD

_SIN

K

Aud

io_R

ST

SD

card

_det

ect

EC

G_D

AC

AD

C_P

OT_

IN

DB

_PD

14D

B_P

D13

DB

_PD

12

DB

_PD

15

1V8_

PO

R

R35

0

R64

0

US

B_d

isco

nnec

t

I2C

1_S

CL

I2C

1_S

DA

R38

0

VDD

VDD

R36

0

PE15

1 2

LD9

Gre

en

3

2

1

T3 9013

R20

651

0

+3V3

R22

1K

R92

0R

201

0

CO

MP

2 OUT

SB

18S

B17

SB

16

SB

13

SB

14

DB

_PE

4D

B_P

E5

C62

100n

F

Ope

n dr

ain

& FT

pin

!

Schematics UM1564

46/66 Doc ID 023566 Rev 1

Figure 24. STM32373C-EVAL audio

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:8/

9/20

12

12

U28

KE

CG

2740

TBL

C89

100n

F

R16

910

0K

R16

810

0K

TP15 M

IC+

R24

51K

R16

510

0

R16

42K

2 C13

547

pF VDD

R17

115

K

1 3

2

RV1

[N/A

]

C82

10uF

C80

4.7u

FC

812.

2uF

R17

018

K

VDD

R14

068

0 C71

4.7u

F

MB

988

315

STM

3237

3C-E

VAL A

UD

IO

I2S

_CM

DI2

S_D

INI2

S_C

K

I2C

2_S

CL_

5V

I2C

2_S

DA

_5V

R11

551

1 2

U30

[N/A

]R

7924

9K[1

%]

Aud

io_R

ST

I2S

_MCK

PC8

PC9

PC6

PC7

PA9

PA10

+5V

I2C

addr

ess 0

x94

C50

1uF C

321u

F

SDA

1

SCL

2

A03

SPK

R_O

UTA

+4

VP5

SPK

R_O

UTA

-6

SPK

R_O

UTB+

7

VP8

SPK

R_O

UTB

-9

-VH

PFIL

T10

FLYN

11

FLYP

12

+VHP

13

HP/L

INE

_OU

TB14

HP/L

INE

_OU

TA15

VA16

AG

ND17

FIL

T+18

VQ19

TSTO

20

AIN

4A21

AIN

4B22

AIN

3A23

AIN

3B24

AIN

2A25

AIN

2B26

AFIL

TA27

AFIL

TB28

AIN

1A29

AIN

1B30

SPK

R/H

P31

RE

SET

32

VL33

VD34

DG

ND35

TSTO

36

MC

LK37

SC

LK38

SD

IN39

LRCK

40

GN

D/T

herm

al P

ad0

U19

CS

43L

22-C

N2

C52

1uF

+2V5

VDD

C53

1uF

C51

1uF

C45

150p

F(C

OG

)C

4615

0pF(

CO

G)

C55

0.02

2uF

R11

651

C56

0.02

2uF

R16

647

K

+2V5

12 3 4 56

CN

21

ST-

212-

02V

DA

C2_

OUT

R10

910

0R

233

100K

C33

1uF

R94

0

PD

11

PA6

R21

70

R22

00

C12

810

0nF

C12

610

0nF

C13

010

0nF

C43

100n

FC

132

100n

F

C44

100n

F

R10

3

576K

[1%

]C

3910

uF

Clo

se t

o M

CU

on P

CB

C72

180p

F

TP16

MIC

_OUT

C79

[N/A

]

R24

10

MIC

_IN

R14

182

K

+3V3

PB0

R13

622

043

1

25

U32

TS46

1CLT

Add

ress

:100

1010

2

13

G SD

TR1

FDN

327N

2

13

G SD

TR2

FDN

327N

R50

4K7

R10

84K

7

VDD

D5

BAT

60J[

N/A

]

D3

BAT

60J[

N/A

]

UM1564 Schematics

Doc ID 023566 Rev 1 47/66

Figure 25. STM32373C-EVAL peripherals

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12M

B98

84

15

STM

3237

3C-E

VAL P

erip

hera

ls

12

LD3

Red

12

LD2

Ora

nge

12

LD4

Blu

e

12

LD1

Gre

en+3

V3R

147

510

R15

768

0

R14

668

0

R15

668

0LE

D4

LED3

LED1

LED2

C8810nF

C8710nF

C8610nF

C8410nF

C8510nF

R16

210

0C

OM

MON

5

Sel

ectio

n2

DW

ON3

LEFT

1

RIG

HT4

UP6

GND

0

GND

0

U34

MT0

08-A

R69

0R

910

R68

0R

670

R89

0JO

Y_S

EL

JOY

_DO

WNJO

Y_L

EFT

JOY

_RIG

HTJO

Y_U

P

Joys

tick

WK

UP

/TA

MP

ER B

utto

nLE

Ds

USB

VDD

+3V3 R

244

1K[1

%]

R24

62.

67K

[1%

]

+3V3

1 2

LD6

Red

R15

451

0

+3V3

Low

Volta

ge L

ED

PC0

PC1

PC2

PC3

PF1

0P

F9P

F4P

F2P

E6R88

0

R78

0

R77

0

R87

0

U5V

C12

210

0nF

VCC

1

D-2

D+

3

GND

4

SH

ELL

0

SH

ELL

0

CN

16U

SB

-type

B co

nnec

tor

I/O1

1

GND

2

I/O2

3I/O

24

Vbu

s5

I/O1

6U

13

US

BLC

6-2P

6 (o

ptio

nal)

U5V

R76

1MC

294.

7nF

USB

_DM

US

B_D

PR

750

R61

0

R15

122

0K1

4 3

2

B2

WK

UPC

83[N

/A]V

DD

R15

810

0

R15

033

0W

AKE

UP

657

U33

B

TS37

02IPT

231

48

U33

ATS

3702

IPT

R14

451

0

1 2

LD5

Gre

en

VD

D<2

.4V

VD

D>2

.4V

PA12

PA11

PA0

R24

30

R24

20

R16

74K

7

1

43

2

B3

US

ER (

Blu

e)C

7810

0nF

VDD

R15

210

0

R90

0K

ey_B

utto

n

Use

r But

ton

PA2

R84

1.5K

R86

10K

U5V

R66

36K

2

31

T5 9013

VDD

2

31

T4 9013

R65

47K

VDD

US

B_d

isco

nnec

tR

51

0P

C5

VD

D>3

VV

DD

R16

00

Ope

n dr

ain

pin!

Inpu

t pi

n w

ith p

ull-d

own

Schematics UM1564

48/66 Doc ID 023566 Rev 1

Figure 26. STM32373C-EVAL power

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

ofB

.2D

ate:

7/9/

2012

MB

988

515

STM

3237

3C-E

VAL

Pow

er

C99

100n

FC

115

100n

FC

112

100n

F

VD

DIO

C8

1uF

Vin

3

GND 1

Vout

2

U25

LD10

86D

2M33

SV1

SG2

CV3

CG1

4

CG2

5

CG3

6

U20

BN

X00

2-01

C34

220u

F

E5V

TP8

5V+5

VR

531K

12

LD8

red

C48

47uF

C58

10uF

C57

100n

F

+5V

+3V3

VD

D_A

DJ

+5V

TP2

Gro

und

TP7

+3V3

TP9

VD

D_A

DJ

1 32

CN

18

DC-

10B

Z1 SM

AJ5

.0A

-TRC

4710

0nF

1

2

3

U26

ZEN

056V

130A

24LS

1 3

2R

V233

86P-5

03H

[5%

]

E5V

D5V

U5V

78

56

34

12

JP10

Hea

der 4

X2

U5V

_ST_

LINK

+3V3

R97

4K7 C

3610

0nF

C40

4.7u

F

32

1 JP12

32

1 JP13

TP10

VDD

VDD

+3V3

TP6

VD

DAV

DD

IO

VD

DIO

R32 0V

DDA

TP5

SA

R_V

RE

FS

AR

_VR

EF+

VS

SA

/SA

R_V

RE

F-20

VD

DA21

SA

R_V

RE

F+22

SD

_VSS

49

VS

S_3

74

VS

S_1

99

VB

AT6

VD

D_2

28

SD

1/2_

VD

D50

VD

D_3

75

VD

D_1

100

SD

_VR

EF-

48

SD

3_V

DD51

SD

_VR

EF+

52

U9B

STM

32F

373V

CT6

JP17

TP4

SD

_VR

EF

C4

100n

F

SD

_VR

EF+

SD

_VR

EF+

C11

61u

FC

2010

0nF

SA

R_V

RE

F+

C11

71u

FC

102

100n

F

VD

DA

C11

010

0nF

C10

310

0nF

D4

BAT

60J

Vin

3Vo

ut2

1

U24

LD11

17S

25TR

+5V

C49

10uF

+2V5

TP13

2V5

+5V

TP12 +1

V8V

DD

_ADJ

R10

01K

C38

[N/A

]C

424.

7uF

+1V8

1V8_

PO

R

R99

10K

R55

0

R10

2[N

/A]

R56

0

R57

[N/A

]V

DD

_ADJ

C30

100n

F

JP15

VDD

BT1

CR

1220

hold

er

12

3 JP11

VDD

C35

[N/A

]

C41

[N/A

]

R11

415

K[1

%]

R11

1

31.6K

[1%

]

R10

659

K[1

%]

R10

7

31.6K

[1%

]

Pow

er S

uppl

y V

DD

_AD

J [2.

1V t

o 3.

5V]

Vout

=1.2

2*(1

+R1/

R2)

cons

ider

ing

pote

ntio

met

er e

rror

tol

eran

ce

Pow

er S

uppl

y 1.

8VVo

ut=1

.22*

(1+R

1/R

2)

[Cer

amic

]

[Cer

amic

]

C31

10uF

L1 BE

AD

VD

D_A

NA

R98

[N/A

]

EN1

GND 2

VO4

ADJ

5

GND 0

VI6

PG3

U16

ST1

L05

BPUR

EN1

GND 2

VO4

ADJ

5

GND 0

VI6

PG3

U17

ST1

L05

BPUR

AG

ND

AG

ND

VD

DA

AG

NDA

GND

AG

ND

L3 BE

AD

SB

21S

B7

SB

22

SB

5

SB

6S

B19

SB

15S

B12

SB

20

R70

0R

80[N

/A]

VD

DIO

R58

[N/A

]

C59

100n

F

JP16

PB2

C37

10uF

UM1564 Schematics

Doc ID 023566 Rev 1 49/66

Figure 27. STM32373C-EVAL ST-LINK (JTAG only)

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12M

B98

86

15

STM

3237

3C-E

VAL S

T_LI

NK (

JTA

G on

ly)

VB

AT1

PC13

2

PC14

3

PC15

4

OS

C_I

N5

OS

C_O

UT6

/RS

T7

VS

SA8

VD

DA9

PA0

10

PA1

11

U2_

TX12

U2_RX 13

U2_CK 14

S1_CK 15

S1_MISO 16

S1_MOSI 17

PB0 18

PB1 19

PB2/BOOT1 20

PB10 21

VSS_1 23

VDD_1 24

PB12

25

PB11 22

S2_

CK26

S2_

MISO

27S

2_M

OS

I28

PA8

29PA

930

PA10

31PA

1132

PA12

33JT

MS34

VS

S_2

35V

DD

_236

JTCK37 JTDI38 JTDO39 JNRST40 PB541 PB642 PB743 BOOT044 PB845 PB946 VSS_347 VDD_348

U27

STM

32F

103C

8T6

20pF

C73

20pF

C74

12

X3 8MH

z+3

V3

STL_

USB

_DM

STL_

USB

_DP

STM

_R

ST

T_JTCK

T_JT

CK

T_JTDOT_JTDI

T_JT

MS

STM

_JT

MS_

SWD

IO

STM_JTCK_SWCLK

LED

_STL

INK

OS

C_IN

OS

C_O

UT

T_NRSTT_JRST

LED

_STL

INK

T_JT

CKT_

JTDI

T_JT

DO

T_N

RST

T_JT

MS

T_JR

ST

R13

4

4K7

R13

8

4K7

AIN

_1C

6310

0nF

R13

3

100K

+3V3

+3V3

VDD

+3V3

+3V3

+3V3

AIN

_1

VCC

1

D-2

D+

3

GND

4

SH

ELL

0

SH

ELL

0

CN

22

US

B-ty

peB

conn

ecto

r

STL_

USB

_DM

STL_

USB

_DP

+3V3

C76

100n

FC

6010

0nF

C69

100n

FC

6110

0nF

MC

U USB

JTAG

STM

_JT

MS_

SWD

IOST

M_

JTC

K_SW

CLK

+3V3

U5V

_ST_

LINK

C13

3

100n

F

C13

1

100n

F

TDI

TRST

TMS

/SW

DIO

TCK

/SW

CLK

TDO

/SWO

RE

SE

T#

SWI

M_P

U_C

TRL

R12

7

100K

Vcc

A1

A12

A23

GND

4D

IR5

B2

6B

17

Vcc

B8

U23

SN

74L

VC

2T45

DC

UT

+3V3

VDD

T_SW

O

T_SW

DIO

_IN

T_SW

DIO

_IN

T_SW

O

12

34

5

CN

19

JTAG

R12

8

1.5K

R13

110

K

R13

236

K23 1

T8 9013

+3V3

U5V

_ST_

LINK

R14

5[N

/A]R

137

10K

R12

6

100K

MCO

2 1

43

Red

Yello

w

LD7

HS

MF-

A20

1-A

00J1

+3V3

R14

310

0R

149

100

R15

30

C13

410

0nF

I/O1

1

GND

2

I/O2

3I/O

24

Vbu

s5

I/O1

6U

29

US

BLC

6-2P

6 (o

ptio

nal)

U5V

_ST_

LINK

R13

00

R14

20

Schematics UM1564

50/66 Doc ID 023566 Rev 1

Figure 28. STM32373C-EVAL JTAG and Trace

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12M

B98

87

15

STM

3237

3C-E

VAL JTA

G&

Trac

e

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

CN

15FT

SH

-110

-01-

L-D

VV

DD

R22

7[N

/A]

R22

6[N

/A]

R23

1[N

/A]R

225

[N/A

]

R22

8[N

/A]

VDD

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

CN

17JT

AGV

DD

VDD

R23

210

K

R23

410

K

R22

910

KR

600

R23

0[N

/A]

R74

0R

223[

N/A

]

TDI

RE

SE

T#

TRA

CE

_D3TR

AC

E_D2

TRA

CE

_D1TR

AC

E_D0

TRA

CE

_CK

TRST

TMS

/SW

DIO

TCK

/SW

CLK

TDO

/SWO

Trac

e co

nnec

tor

JTA

G co

nnec

tor

KE

Y

PA13

PA14

PB3

PA15

PB4

PE6

PE5

PE4

PE3

PE2

R22

4[N

/A]

RS

1

22D

11 Z5V1

D8 Z5V1

D10 Z5V1

D7 Z5V1

D6 [N/A]

D9 Z5V1

UM1564 Schematics

Doc ID 023566 Rev 1 51/66

Figure 29. STM32373C-EVAL RS-232 and IrDA

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12

US

AR

T2_TX

US

AR

T2_C

TS

SD5

TxD

3

GND

8

Ano

de (

VC

C2)

1

Cat

hode

2

RxD

4

VC

C16

NC7

U12

TFD

U63

00

R48

5R

4947

C27

100n

F

+3V3

C22

4.7u

F

IrDA

12

3

JP7

C2+

1

C2-

2V-

3

R1IN

4

R2IN

5

R3IN

6

R4IN

7

R5IN

8

T1O

UT9

T2O

UT10

T3O

UT11

T3IN

12T2

IN13

T1IN

14

R5O

UT15

R4O

UT16

R3O

UT17

R2O

UT18

R1O

UT19

R2O

UTB

20R

1OU

TB21

nSH

DN22

nEN

23

C1-

24G

ND25

VCC

26

V+27

C1+

28U

10

ST3

241E

BPR

C13100n

F

C14 10

0nF

C12

100n

F

C16

100n

FC

1510

0nF

+3V3

1 6 2 7 3 8 4 9 5

CN

12D

B9-

mal

e U

SA

RT2

+3V3

Boo

tload

er_R

ES

ET

MB

988

815

STM

3237

3C-E

VAL R

S23

2&IrD

A

Boo

tload

er_B

OO

T0

VC

CA1

A12

A23

GND

4D

IR5

B2

6B

17

VC

CB8

U11

SN

74L

VC

2T45

DC

UT

+3V3

VDD

VDD

R19

90

R21

00

C11

910

0nF

C12

010

0nF

US

AR

T2_R

TSU

SA

RT2

_TXD

US

AR

T2_R

XDU

SA

RT2

_CTS

US

AR

T2_T

XD

US

AR

T2_R

XD

US

AR

T2_R

TSU

SA

RT2

_TXD

US

AR

T2_RX

US

AR

T2_R

TS

RXD

RTS

TXD

CTS

12

3

JP6

IrDA

_RXD

IrDA

_RXD

PD5

PD3

PD6 P

D4

R47

100K

R46

100K

VDD

DSR

C23

100n

FC

284.

7uF

R21

151

0

Schematics UM1564

52/66 Doc ID 023566 Rev 1

Figure 30. STM32373C-EVAL HDMI_CEC

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12

HD

MI_

HPD

_SIN

K

STM

3237

3C-E

VAL H

DM

I_C

EC

MB

988

915

Sin

kS

ourc

eH

DM

I_5V

_Sin

k

I2C

2_S

DA

_5VI2

C2_

SC

L_5V

R17

247

KR

173

47K

+3V3

R2

27K

HD

MI_

CEC

+5V

C1

4.7u

F

GND

2

IN5

EN4

OUT

1FA

ULT

3U1 S

TMP

S21

41S

TR@

54

HD

MI_

5V_S

ourc

e

R17

51M

HD

MI_

HPD

_SO

UR

CE

I2C

1_S

CL

I2C

1_S

DA

R21

31.

8KR

221

1.8K

+5V

SB

1S

B2

SB

3S

B4

R17

40

HD

MI

oper

atio

n mod

e

PC

B m

odifi

catio

n

===

====

====

====

====

====

====

====

====

====

====

=

sep

arat

e si

nk

N/A

sep

arat

e so

urce

N

/A

R

epea

ter

N

/

CE

C in

ject

or

Rem

ove

R12

0,R

172-R

175,

R21

3,R

221 & c

lose

SB

1-4

2

13

G

SDT2 2N

7002

+5V

PE0

PA9

PA10

PB8

PD7

PB6

PB7

TMD

S D

ata2

+

TMD

S D

ata2

-TM

DS

Dat

a1+

TMD

S D

ata1

-TM

DS

Dat

a0+

TMD

S D

ata0

-TM

DS

Clo

ck+

TMD

S C

lock

-

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 0

CN1

4715

1-005

1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

SH

EE

L0

CN2

4715

1-005

1

R17

610

KR

120

1K

HD

MI_

5V_S

ink

3

2

1 T1 9012

R1

10K

R15

90

R13

50

R13

90

R14

80

FT p

in &

Ope

n D

rain

mod

e ne

eded

UM1564 Schematics

Doc ID 023566 Rev 1 53/66

Figure 31. STM32373C-EVAL LCD and SD card

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12M

B98

810

15

STM

3237

3C-E

VAL LC

D&

SD

card

Mic

roS

D_C

S

SPI

3_S

CKS

PI3_

MO

SI

LCD

_CS

+3V3

SPI

3_M

ISO

SD

card

_det

ect

Mic

roS

D ca

rd

+3V3

TFT

LCD

PE3

VC

CA1

A12

A23

GND

4D

IR5

B2

6B

17

VC

CB8

U15

SN

74L

VC

2T45

DC

UT

+3V3

VDD

VDD

R24

0

C12

510

0nF

C12

410

0nF

SPI

3_M

OSI

_3V

3

SPI

3_M

ISO

_3V

3

SPI

3_S

CK_3

V3

SPI

3_S

CK_3

V3

SPI

3_M

OSI

_3V

3

SPI

3_M

ISO

_3V

3

SPI

3_S

CK_3

V3

SPI

3_M

OSI

_3V

3P

C10

PC

11

PE2

PC

12

PD2

R28

10K

+3V3

R11

010

K

RE

SE

T#

+3V3

VDD

R11

24K

7

2

13

G SD

TR3

BS

N20

CS1

SCL

2

SDI

3

RS4

WR

5

RD6

RE

SET

8

VDD

9

VCI

10

SDO

7

GND

11

GND

12

BL_V

DD13

BL_C

ontro

l14

BL_G

ND15

BL_G

ND16

CN

20

2.8"

LC

D co

nnec

tor

+3V3

+5V

C67

10uF

L4 BE

ADC

6810

0nF

L5 BE

AD

R23

70

+3V3

R23

8[N

/A]

RVS

1CS

2DI

3V

dd4

SC

LK5

Vss

6D

O7

RVS

8

SW

29

SW

110 0 0 0 0

CN7

PJS

008-2

000

(SM

S06

4FF o

r S

MS

128FF

)

R24

70

R16

30

Ope

n dr

ain

pin!

Ope

n dr

ain

pin!

Schematics UM1564

54/66 Doc ID 023566 Rev 1

Figure 32. STM32373C-EVAL CAN and IR

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

ofB

.2D

ate:

8/9/

2012

MB

988

1115

STM

3237

3C-E

VAL C

AN

& IR

D1

GND

2

VCC

3

R4

Vref

5C

AN

L6

CA

NH7

RS8

U4 SN

65H

VD

230D

+3V3

+3V3

R7

120

JP2

32

1

JP3

R18

210

K

+3V3

C6

100n

F

R8

0

R19

0R

9[N

/A]

Def

ault

setti

ng: 1

<->2

Def

ault

setti

ng: O

pen 1 6 2 7 3 8 4 9 5

CN5

DB

9-m

ale

CA

N co

nnec

tor

PD1

PD0

CA

N_T

X

R10

0C

AN

_RX

CAN

IR_L

ED

R12

522

+3V3

R11

910

0

1 2

LD10

SFH

409-2

IR_T

RA

NS

MIT

TER

PB9

VDD 3

2

1T6 9013

3

2

1T7 9013

R12

410

K

R12

31K

+3V3

23 1

U22

TSOP

3483

6R

118

100

C54

4.7u

F

IR_IN

PB5

IR

SB

28

R24

00V

DD

>3V

IR_R

ecei

ver

R11

30

R24

90

R24

80

R12

22K

2

UM1564 Schematics

Doc ID 023566 Rev 1 55/66

Figure 33. STM32373C-EVAL Touch slider

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12M

B98

812

15

STM

3237

3C-E

VAL Tou

ch S

lider

SLI

DE

R_2

SLI

DE

R_3

SHI

ELD

SHI

ELD

_CT

R82

0

PD

13

PD

14

PE4

PE5

<---

-ES

D re

sist

or cl

ose

to M

CU

pad

<----

Act

ive

shie

ld

SLI

DE

R_1

PD

12

DB

_PD

14

DB

_PD

13

DB

_PD

12

SLI

DE

R_C

T

C7

47nF

(CO

G)G

RM

31M

5C1H

473J

A01

L

SB

8

SB

9

SB

10

SB

11

DB

_PD

15

R31

2.2k

PD

15

SLD_1

SLD_2

SLD_3

C12

322

0nF

11

22

33S

1S

lider

3 p

os

R13

10K

R12

10K

R11

10K

R93

[N/A

]D

B_P

E4

R95

[N/A

]D

B_P

E5

Schematics UM1564

56/66 Doc ID 023566 Rev 1

Figure 34. STM32373C-EVAL I2C peripherals

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12

I2C

2_S

CL_

5VI2

C2_

SD

A_5V

R22

20

R21

80

SDA

1

SCL

2

OS

/INT

3

GND

4A2

5A1

6A0

7V

DD8

U14

STL

M75

M2E

C12

110

0nF

R21

50

Tem

pera

ture

sen

sor

I2C

2_S

MB

MB

988

1315

STM

3237

3C-E

VAL I2C

Per

iphe

rals

PA10

PA9

PA8

E2P

RO

M R

F C

ON

NE

CTO

R

R18

50

R19

00

1 1

2 2

3 3

4 4

CN3

SS

M-10

4-L-

SH

SB

27

R21

910

K

R10

110

KJP

14

C12

7

100n

F

DU

1

E1

2

E2

3

VSS

4S

DA5

SCL

6W

C7

VCC

8U

18

M24

M01

-HR

MN

6T

R19

50

R18

70

Add

ress

:100

100(

A0)

Add

ress

:101

0(E

2)00

Add

ress

:101

001(

A16)

E2P

RO

M

+5V

+5V

I2C

2_F_

SDA

I2C

2_F_

SCL

R10

41.

8KR

105

1.8K

+5V

+5V

+5V

R21

44K

7

+5V

+5V R23

50

+5V

UM1564 Schematics

Doc ID 023566 Rev 1 57/66

Figure 35. STM32373C-EVAL PT100 temperature sensor and connectors

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:7/

9/20

12M

B98

814

15

STM

3237

3C-E

VAL P

T100

Tem

p.S

enso

r & C

ON

.

3 14

2 5

U8 TSV

631A

ILT

3 14

2 5

U7 TSV

631A

ILT

R27

1K8[

1%]

R44

1K8[

1%]

R20

91K

8[1%

]

R20

71K

8[1%

]

R41

1K8[

1%]

C11

310

0nF

C11

410

uF

R20

8

1K8[

1%]

R20

41K

8[1%

]

R33

1K8[

1%]

R26

100

C11

110

0nF

C10

7100

nF

R34

220

C17

100n

FC

1110

uFRTD

_IN

R30

PT10

0

1 3

2R

V310

K

AD

C&

DA

C con

nect

orP

oten

tiom

eter

/Com

para

tor

LDR

_OUT

R59

8.2K

PA1

CO

M_I

N+PA

3

R63

VT9

ON1

R62

0A

DC

_PO

T_IN

R52

0 R54

[N/A

]

PB1

AD

C_D

AC

_SA

R1

C26

[N/A

]

R45

0R

430

Clo

se t

o M

CU

on P

CB

PA4

CN

11

AD

C_S

D

C11

8[N

/A]

R21

2 0R

390

Clo

se t

o M

CU

on P

CB

PE

11

CN9

AD

C_D

AC

_SA

R2

C21

[N/A

]

R42

0R

400

Clo

se t

o M

CU

on P

CB

PA5

CN

10P

E7 PT1

00 p

lace

nea

r S

TML7

5

PT1

00 T

empe

ratu

re S

enso

r

AD

C/D

AC

CO

N

Cur

rent

Sou

rce

R25

0

CN6

VD

D_A

NA

VD

D_A

NA

VD

D_A

NA

C10

91u

F

C10

61u

F

AG

ND

AG

ND

AG

ND

AG

ND

AG

NDA

GND

AG

ND

AG

ND

AG

ND

AG

ND

VD

D_A

NA

VD

D_A

NA

32

1

JP18

R12

110

0[0.

1%]

PIN

1

PIN

1 PIN

1

Schematics UM1564

58/66 Doc ID 023566 Rev 1

Figure 36. STM32373C-EVAL ECG and pressure sensor

11

22

33

44

DD

CC

BB

AA

STM

icro

elec

troni

csTi

tle:

Num

ber:

Rev

:S

heet

of

B.2

Dat

e:8/

9/20

12M

B98

815

15

STM

3237

3C-E

VAL E

CG

& P

ress

ureS

enso

r

Vs

3

GND

1

Vout

+2

Vout

-4

U5 MPX

2102

C10

010

0nF

R20

022

K[1

%]

R19

4

1K[1

%]

R19

822

0K[1

%]

R20

522

0K[1

%]

R19

322

K[1

%]

R20

100K

[0.1

%]

R4

100K

[0.1

%]

C90

100n

F

TS2

TS_P

AD

R6

10K

R18

410

0K

C93

100n

F

R16

220

ECG

R15

1M

R18

820

C94

4.7u

F

R17

8

2M[0

.1%

]

R17

7

2M[0

.1%

]

C2

100n

F

R3

1M

PRE

SS

UR

E_P

PRE

SS

UR

E_N

EC

G_D

AC

R18

04K

7

R18

84K

7C

9710

0nF

R19

747

PRE

SS

UR

E_T

EMP

R19

60

PA6

PE8

PE9

PE

12

PE

14

TS1

TS_P

AD

231

4 8

U6A

TSV

632A

IDT

6 57

U6B

TSV

632A

IDT

C10

510

0nF

EC

G Pre

ssur

e Sen

sor

C10

41u

F

C10

11u

F

RG

RGR

EF

Rig

ht

Left

14*1

4mm

squ

are

R23

100

C10

10uF

R21

100

C9

10uF

L2 BE

AD

2 36

47

15

8

U2 INA

333A

IDG

KT

2 31

411

U3A

TSV

624A

IPT

6 57

U3B

TSV

624A

IPT

13 1214

U3D

TSV

624A

IPT

9108

U3C

TSV

624A

IPT

TP1

RIG

HT

C91

47nF

R5

4K7

JP1

R17

9

3K3

C98

15nF

C5

10uF

R17

2K2

R18

115

K

C96

10uF

C92

1uF

VD

D_A

NA

VD

D_A

NA

VD

D_A

NA

VD

D_A

NA

VD

D_A

NA

R14

0

R18

3[N

/A]

TP3

LEFT

C3

4.7u

F

C95

1uF

C10

81u

F

AG

ND

AG

NDA

GND

AG

ND

AG

ND

AG

ND

AG

NDA

GND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

+5V

UM1564 Schematics

Doc ID 023566 Rev 1 59/66

Figure 37. MB989 LCD daughter

11

22

33

44

DD

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A

STM32373C-EVAL pinout UM1564

60/66 Doc ID 023566 Rev 1

Appendix A STM32373C-EVAL pinout

Table 35. STM32373C-EVAL pinout

Pin no.

Pin name Description

1 PE2 TRACECLK / SPI3_CS_uSDcard

2 PE3 TRACED0 / uSDcard_Detect

3 PE4 TRACED1 /SHIELD

4 PE5 TRACED2 / SHIELD_CT

5 PE6-WKUP3 TRACED3 / WKUP_JOYSTICK_SEL

6 VBAT VBAT

7 PC13-TAMPER-WKUP2 -

8 PC14-OSC32_IN OSC32_IN

9 PC15-OSC32_OUT OSC32_OUT

10 PF9 JOYSTICK_RIGHT

11 PF10 JOYSTICK_UP

12 PF0 - OSC_IN OSC_IN

13 PF1 - OSC_OUT OSC_OUT

14 NRST NRST

15 PC0 LED1

16 PC1 LED2

17 PC2 LED3

18 PC3 LED4

19 PF2 JOYSTICK_DOWN

20 VSSA / SAR_VSS / SAR_VREF-

21 VDDA / SAR_VDD

22 SAR_VREF+

23 PA0 - WKUP1 WKUP_BUTTON / IDD

24 PA1 LDR_OUT

25 PA2 KEY_BUTTON

26 PA3 COM_IN+

27 PF4 JOYSTICK_LEFT

28 VDD_2

UM1564 STM32373C-EVAL pinout

Doc ID 023566 Rev 1 61/66

29 PA4 ADC_DAC_SAR1

30 PA5 ADC_DAC_SAR2

31 PA6 DAC2_OUT1_AUDIO / ECG_DAC

32 PA7 COMP2_OUT_LED

33 PC4 -

34 PC5 USB_DISCONNECT

35 PB0 MIC_IN

36 PB1 ADC_POT_IN

37 PB2 1.8V POR_RFU

38 PE7 RTD_IN

39 PE8 PRESSURE_P

40 PE9 PRESSURE_N

41 PE10 -

42 PE11 ADC_SD

43 PE12 ECG

44 PE13 -

45 PE14 PRESSURE_TEMPERATURE

46 PE15 -

47 PB10 -

48 SD_VREF-

49 SDADC1_SDADC2_SDADC3_VSS

50 SDADC1_SDADC2_VDD

51 SDADC3_VDD

52 SD_VREF+

53 PB14 -

54 PB15 -

55 PD8 -

56 PD9 -

57 PD10 -

58 PD11 AUDIO_RST

59 PD12 SLIDER_1

60 PD13 SLIDER_2

Table 35. STM32373C-EVAL pinout (continued)

Pin no.


STM32373C-EVAL pinout UM1564

62/66 Doc ID 023566 Rev 1

61 PD14 SLIDER_3

62 PD15 SLIDER_CT

63 PC6 I2S_WS

64 PC7 I2S_CK

65 PC8 I2S_MCK

66 PC9 I2S_DIN

67 PA8 I2C2_SMB

68 PA9 I2C2_SCL

69 PA10 I2C2_SDA

70 PA11 USB_DM

71 PA12 USB_DP

72 PA13 SWDAT/JTMS

73 PF6 -

74 VSS_3

75 VDD_3

76 PA14 SWCLK/JTCK

77 PA15 JTDI

78 PC10 SPI3_SCK

79 PC11 SPI3_MISO

80 PC12 SPI3_MOSI

81 PD0 CAN_RX

82 PD1 CAN_TX

83 PD2 LCD_CS

84 PD3 USART2_CTS

85 PD4 USART2_RTS

86 PD5 USART2_TX/ IRDA

87 PD6 USART2_RX/ IRDA

88 PD7 HDMI_HPD_SOURCE

89 PB3 JTDO/TRACESWO

90 PB4 JNTRST

91 PB5 IR_IN

92 PB6 I2C1_SCL

93 PB7 I2C1_SDA

94 BOOT0 BOOT0


Pin no.


UM1564 STM32373C-EVAL pinout

Doc ID 023566 Rev 1 63/66

95 PB8 CEC

96 PB9 IR-Out_LED

97 PE0 HDMI_HPD_SINK

98 PE1 -

99 VSS_1

100 VDD_1


Pin no.


Mechanical dimensions UM1564

64/66 Doc ID 023566 Rev 1

Appendix B Mechanical dimensions

Figure 38. STM32373C mechanical dimensions

Table 36. STM32373C mechanical dimensions

Symbol Size (mm) Symbol Size (mm) Symbol Size (mm)

A 68.58 e 81.28 P1 27.305

a1 2.54 H 11 P2 110.49

a2 2.54 Lx 5.715 Q1 24.13

B 47 Ly 5.715 Q2 15.875

D 3.5 Mx 17.145 X 114.3

d 3.2 My 18.415 Y 172.72

UM1564 Revision history

Doc ID 023566 Rev 1 65/66

5 Revision history

Table 37. Document revision history

Date Revision Changes

11-Sep-2012 1 Initial release.

UM1564

66/66 Doc ID 023566 Rev 1

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