cy8ckit-007 psoc® 3 precision analog voltmeter …cy8ckit-007 psoc 3 precision analog voltmeter...

CY8CKIT-007

PSoC® 3 Precision Analog Voltmeter DemoKit Guide

Spec. # 001-51794 Rev. **

Cypress Semiconductor198 Champion Court

San Jose, CA 95134-1709Phone (USA): 800.858.1810Phone (Intnl): 408.943.2600

http://www.cypress.com

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2 CY8CKIT-007 PSoC 3 Precision Analog Voltmeter Demo Kit Guide, Spec. # 001-51794 Rev. **

Copyrights

Copyrights

© Cypress Semiconductor Corporation, 2009. The information contained herein is subject to change without notice. CypressSemiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypressproduct. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted norintended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an expresswritten agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. Theinclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such useand in doing so indemnifies Cypress against all charges.

Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected byand subject to worldwide patent protection (United States and foreign), United States copyright laws and international treatyprovisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, createderivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom soft-ware and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as speci-fied in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this SourceCode except as specified above is prohibited without the express written permission of Cypress.

Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATE-RIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR APARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials describedherein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein.Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failuremay reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support sys-tems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against allcharges.

Use may be limited by and subject to the applicable Cypress software license agreement.

PSoC Designer™, and PSoC® Creator™ are trademarks and PSoC® is a registered trademark of Cypress SemiconductorCorp. All other trademarks or registered trademarks referenced herein are property of the respective corporations.

Flash Code Protection

Cypress products meet the specifications contained in their particular Cypress PSoC Data Sheets. Cypress believes that itsfamily of PSoC products is one of the most secure families of its kind on the market today, regardless of how they are used.There may be methods, unknown to Cypress, that can breach the code protection features. Any of these methods, to ourknowledge, would be dishonest and possibly illegal. Neither Cypress nor any other semiconductor manufacturer can guaran-tee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable."

Cypress is willing to work with the customer who is concerned about the integrity of their code. Code protection is constantlyevolving. We at Cypress are committed to continuously improving the code protection features of our products.

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CY8CKIT-007 PSoC 3 Precision Analog Voltmeter Demo Kit Guide, Spec. # 001-51794 Rev. ** 3

Contents

1. Introduction 51.1 Kit Contents .................................................................................................................51.2 CD Installation .............................................................................................................51.3 PSoC Creator ..............................................................................................................61.4 Example Projects.........................................................................................................61.5 Document Revision History .......................................................................................71.6 Documentation Conventions .......................................................................................7

2. Kit Operation 92.1 Power Supply.............................................................................................................102.2 Voltmeter Measurement ............................................................................................102.3 Thermocouple............................................................................................................10

3. Hardware 113.1 System Block Diagram and Theory of System Operation .........................................113.2 Functional Description – All Components..................................................................123.3 Button and Connector Functions ...............................................................................133.4 Power Supply Options ...............................................................................................13

4. Firmware 154.1 ADC_DelSig...............................................................................................................174.2 Analog Multiplexer (InputSourceMux)........................................................................184.3 Analog Buffer .............................................................................................................194.4 Segment LCD ............................................................................................................204.5 CapSense ..................................................................................................................21

A. Appendix 25A.1 Schematic ..................................................................................................................25A.2 Bill of Materials ..........................................................................................................26A.3 PCB Layout and Silkscreen .......................................................................................29A.4 Assembly Drawing .....................................................................................................31

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Contents

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1. Introduction

The CY8CKIT-007 PSoC® 3 Precision Analog Voltmeter Demo Kit showcases PSoC's 20-bit DeltaSigma Analog to Digital Converter. This kit contains a PSoC CY8C3866, which is connected tovoltmeter leads and a precision reference (in this case a thermocouple).

The kit has the following features:■ 20-Bit High Precision Delta Sigma ADC.■ Input DC Voltages Range from -30V to 30V.■ Type K Thermocouple.■ CapSense Button to Select Between Sources: Voltmeter Leads or Thermocouple.

The kit operates from a pack of two AA batteries (which is included in the kit). The measurement isdisplayed on the segment LCD, which is directly driven by the PSoC device. PSoC provides superiorintegration and high precision analog for the most demanding customer applications.

The CY8CKIT-007 PSoC 3 Precision Analog Voltmeter Demo Kit is based on the PSoC 3 family ofdevices. PSoC is a Programmable System-on-Chip platform for 8-, 16-, and 32-bit applications andcombines user programmable 20-bit precision analog and digital logic with a high-performance 8051single cycle per instruction pipelined processor achieving 10X the performance of previous 8051processors. With this PSoC you can create the exact combination of peripherals and integratedproprietary IP to meet the needs of their applications. You are no longer constrained by what you canfind in a catalog.

1.1 Kit Contents■ Voltmeter Board (with Thermocouple)■ Resource CD ■ Mini-Hook Leads for Voltmeter Measurement■ Pack for powering the Voltmeter (includes two AA batteries and USB mini-B connector)■ Quick Start Guide

1.2 CD InstallationTo install the Voltmeter kit software, do as follows:1. Insert the Voltmeter Kit CD into the CD drive of your PC. The CD is designed to auto-run and

Voltmeter Kit menu appears. 2. The installation allows user to install the following software:

❐ PSoC Creator™❐ PSoC Programmer❐ Documentation for the Voltmeter Kit❐ Firmware for the Voltmeter Kit❐ Hardware for the Voltmeter Kit

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Introduction

Note: If auto-run does not execute, do double click the cyautorun.exe on the root of the CD.

You can also browse the documents inside the Voltmeter kit folder with Windows Explorer.

Figure 1-1. Double Click cyautorun.exe

1.3 PSoC CreatorCypress's PSoC Creator software is a state-of-the-art, easy-to-use software development IDE thatintroduces a game-changing, hardware, and software co-design environment based on classicalschematic entry—a revolutionary embedded design methodology.

With PSoC Creator, you can:■ Automatically place and route select components and integrate simple glue logic normally

residing in discrete muxes or 22V10s■ Trade-off hardware and software design considerations allowing you to focus on what matters,

getting to market fast

PSoC Creator also enables you to tap into an entire tools ecosystem, with integrated compiler toolchains, RTOS solutions, and top production programmers to support both PSoC 3 and PSoC 5.

1.4 Example ProjectsThis kit is designed as a demonstration kit only. It is not designed to have detailed source codeguidance. If you desire to learn more about the voltmeter firmware project or the code, do refer to kitCD.

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Introduction

1.5 Document Revision History

1.6 Documentation Conventions

Table 1-1. Revision History

RevisionPDF

Creation Date

Origin of

ChangeDescription of Change

** 09/15/2009 AESA New Kit Guide.

Table 1-2. Document Conventions for Guides

Convention Usage

Courier NewDisplays file locations, user entered text, and source code:C:\ ...cd\icc\

Italics Displays file names and reference documentation:Read about the sourcefile.hex file in the PSoC Designer User Guide.

[Bracketed, Bold] Displays keyboard commands in procedures:[Enter] or [Ctrl] [C]

File > Open Represents menu paths:File > Open > New Project

Bold Displays commands, menu paths, and icon names in procedures:Click the File icon and then click Open.

Times New Roman Displays an equation:2 + 2 = 4

Text in gray boxes Describes Cautions or unique functionality of the product.

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Introduction

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2. Kit Operation

The CY8CKIT-007 PSoC 3 Precision Analog Voltmeter Demo Kit demonstrates the precision of theCY8C3866 Delta-Sigma 20-bit ADC. It measures an external voltage with range of -30V to +30V.This kit can also measure the voltage of a thermocouple sensor generated by the differenttemperature of the two terminals. The measurement is displayed on the LCD continuously at a rateof 2.08 Hz. The thermocouple is used for precision reference and showcases the 20-bit resolution ofthe ADC. It does not measure temperature. Users can implement temperature measurementdepending on their design-specific requirements.

Figure 2-1. CY8CKIT-007 PSoC 3 Precision Analog Voltmeter Demo Kit

USB

Program/DebugInterface - MiniProg3

Voltage InputSource Selector

Thermocouple VoltageReference

Power SourceSelector

External VoltageInput Test Lead ConnectorsRed is +Black is -

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Kit Operation

2.1 Power SupplyThe Voltmeter kit is powered through a USB connector from a pack of two AA batteries.

How to connect:1. Switch SW1 to the USB position (right). 2. Connect the USB mini-B connector attached to the AA battery pack to the USB female connector

on the board.

Refer to 3.4 Power Supply Options for different power supply options.

2.2 Voltmeter Measurement1. After you connect the power, D1 LED is ON. The LCD displays the firmware version number

briefly and the voltmeter measurement begins.2. To reset the Voltmeter reading to ZERO, touch and hold the SOURCE button CSB1 for more than

2 seconds.

2.3 Thermocouple1. To switch the voltage source between the Voltmeter and Thermocouple, touch and release the

SOURCE button CSB1 quickly. When thermocouple is selected, D2 LED is ON. The thermocouple measurement is not in temperature unit. It provides high resolution relative voltage measurement on the thermocouple output.

2. To reset the offset of the thermocouple reading to ZERO, touch and hold the SOURCE button CSB1 for more than 2 seconds. You touch the tip of the thermocouple with a hot object or hand. The display shows the change of the temperature in a relative high resolution in voltage.

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3. Hardware

3.1 System Block Diagram and Theory of System Operation A single CapSense® button is used to select the signal source. The LEDs D1 and D2 are used toindicate the selected signal source between the Voltmeter and Thermocouple respectively.CY8C3866 drives the LCD segment directly without external driver. The voltmeter or thermocoupledata is displayed on a 8 digit LCD, which is driven directly by the CY8C3866 itself.

Figure 3-1. Voltmeter Kit Block Diagram

In the voltmeter input, a resistor network is used to scale down the voltage to suitable input voltagefor the Delta Sigma ADC. TL_BIAS is from PSoC internal voltage reference source of Vdd/2. Itprovides a bias to the circuit so that it can accept negative voltage.

USB

PSoC CY8C38xx

LEDs

Character LCD

CapSenseButton

Thermo--couple

MiniProg3

Voltmeter Leads

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Hardware

Figure 3-2. Circuit Diagram

Note: TL_BIAS = Vdd /2

The differential input of the resistor networks is:

= (V1 - V2) / (K+1)

where K=1M / 34.8k = 28.74.

The resistor network successfully divides the input by a ratio of (28.74+1) = 29.74.

3.2 Functional Description – All Components

Table 3-1. Voltmeter Kit ComponentsNo. List of Device Features Description

1 8 Digit LCD display (segment display)Voltmeter provides resolution to 0.00006V for a source between -30V to +30V.It also displays the Thermocouple voltage

2 Removable mini-hook clips For connecting target voltage measurement

3 Type K thermocouple The short type K thermocouple is connected to P2 and P3 to provide the current for temperature sensing.

4 Source selecting buttonThe button (CSB1) selects the voltage source between the volt-meter and the thermocouple. The voltage of the selected source will be displayed on the LCD and on the PC.

5 LED D1 and D2, placed next to sources

LED D1 indicates Voltmeter is selected.LED D2 indicates thermocouple is selected.

6 Battery pack The kit can be powered by one AA battery.

7 USB mini-B connector To connect to PC or dual cell AA battery pack for power.

8 MiniProg3 (JTAG) connector Allow programming, trace, and debug.

Delta Sigma ADC

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Hardware

3.3 Button and Connector Functions

3.4 Power Supply OptionsThe kit can be powered in the following ways. The switch SW1 is used to select the source.

Make sure that only one voltage source is connected to the kit at a time.

Symbol Description

CSB1 Signal Source Selection between Voltmeter leads and Thermocouple

J1 Voltmeter input -

J2 Voltmeter input +

J3 MiniProg3

P1 USB connector Type mini-B

P2 Thermocouple +

P3 Thermocouple -

SW1 Power Source Selection between battery and USB

No. Description Typical Voltage Connection SW1

1 Direct external power 3.3V TP1, TP2 Don’t Care

2 Dual cell AA battery pack 3.3V P1 Right

3 USB Power 5.0V P1 Right

4 MiniProg3 5.0V or 3.0V J3 Right

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Hardware

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4. Firmware

The design is based on PSoC 20-bit Sigma Delta ADC with differential input selected from eithervoltmeter or thermocouple input. An LED is used to indicate the source of the ADC signal. Thefirmware keeps reading the ADC input and outputting the value at the LCD. PSoC also monitors theSOURCE button continuously for user selection of the source and zero the offset of thethermocouple. Zero point calibration is to make the LCD output to display ‘0’ and get the offset to addto the further voltage reading. Thus, the final voltage displayed will be equal to actual voltage addedto the zero point offset. The LCD displays Null for zero point calibration when the button is pressedmore than two seconds.

Figure 4-1. Firmware Flow Diagram

Button Press

main () (Entry Point)

Read ADC count

ChangeAmux input

(voltage/themocouple)

Read zeo-point offset correction

and save.

Calculate voltage

Display result

Init() Initialization

Code

Press time >2s?

Short press <2sNo

Yes Sustained Press > 2 s

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Firmware

Figure 4-2. PSoC Creator Top Level Design for Voltmeter Project Firmware

PSoC Creator offers a very flexible software tool for user to create and configure the programmableperipherals.

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Firmware

4.1 ADC_DelSigThe Delta-Sigma ADC is the core component used in the Voltmeter. The ADC is used to sample aninput voltage, takes the voltage from the Voltmeter mini-hook leads or thermocouple. Because theADC is used to sample a differential input, the count returned is a 2's complement, 32-bit value. Thecount is then converted to a voltage value by the Voltmeter firmware.

Figure 4-3. Delta-Sigma ADC Component Configuration

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Firmware

4.2 Analog Multiplexer (InputSourceMux)The ADC samples a differential input provided by the analog multiplexer. The multiplexer is config-ured to select between two differential inputs: voltage probes or a thermocouple.

Figure 4-4. Analog Multiplexer Component Configuration

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Firmware

4.3 Analog BufferThe analog buffer is used to provide a reference for the ADC. The buffer uses the internal referenceVdda/2. This reference is then fed to the output of analog buffer 3 with unity gain. The resulting out-put is routed to port 3, pin 7, which is a common-mode reference for the voltmeter probe inputs.

Figure 4-5. Analog Buffer Component Configuration

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Firmware

4.4 Segment LCDThe segment LCD component is used to display the voltage values computed by the voltmeter soft-ware. The component provides all analog and digital signals necessary to drive a thirty two segment,eight digit liquid crystal display using four common lines and thirty-two segment drive lines. As astand-alone meter, this is the only output mechanism provided.

Figure 4-6. Segment LCD Component Configuration

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Firmware

4.5 CapSenseThe CapSense component is used to sense the presence of a touch on a circular touchpad area onthe front of the voltmeter board. The capability required is minimal: a simple button press. CapSensebutton is used to select between sources: voltmeter leads or thermocouple.

Figure 4-7. CapSense Component Configuration

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Firmware

Figure 4-8. CapSense Clock Source Tab Configuration

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Firmware

Figure 4-9. CapSense Button Configuration

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Firmware

Figure 4-10. CapSense Scan Slots Configuration

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A. Appendix

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1 uF

d

0402

C11

1 uF

d

0402

R6

1.5K

0402

R6

1.5K

1 2

TP5

TP-4

3RTP

5TP

-43R

1

1210

C2

22 u

Fd10

V1210

C2

22 u

Fd10

V

0402

C12

1 uF

d

0402

C12

1 uF

d

0402

DN

P

C22

NO

LOAD

0402

DN

P

C22

NO

LOAD

0402

C9

1 uF

d

0402

C9

1 uF

d

0402

R14

ZER

O

0402

R14

ZER

O

0603

L2

FER

RIT

E 50

0mA

0603

L2

FER

RIT

E 50

0mA

1 2

J3 50M

IL K

EYED

SM

D

J3 50M

IL K

EYED

SM

D

1 3 5 7 9

2 4 6 8 10

0603

R3

24 o

hm

0603

R3

24 o

hm

12

0402

C7

1 uF

d

0402

C7

1 uF

d

0402

R5

100K

0402

R5

100K

U2

PD-8

78 L

CD

U2

PD-8

78 L

CD

9X-8

F-8E

-8D

1

8I-8

J-8K

-8N

2

8X-7

F-7E

-7D

3

7I-7

J-7K

-7N

4

7X-6

F-6E

-6D

5

6I-6

J-6K

-6N

6

6X-5

F-5E

-5D

7

5I-5

J-5K

-5N

8

5X-4

F-4E

-4D

9

4I-4

J-4K

-4N

10

4X-3

F-3E

-3D

11

3I-3

J-3K

-3N

12

3X-2

F-2E

-2D

13

2I-2

J-2K

-2N

14

2X-1

F-1E

-1D

15

1I-1

J-1K

-1N

16

---C

OM

417

--C

OM

3-18

-CO

M2-

-19

CO

M1-

--20

1A-1

B-1

C-1

DP

211H

-1G

-1L-

1M22

2A-2

B-2

C-2

DP

232H

-2G

-2L-

2M24

3A-3

B-3

C-3

DP

253H

-3G

-3L-

3M26

4A-4

B-4

C-4

DP

274H

-4G

-4L-

4M28

5A-5

B-5

C-5

DP

295H

-5G

-5L-

5M30

6A-6

B-6

C-6

DP

316H

-6G

-6L-

6M32

7A-7

B-7

C-7

DP

337H

-7G

-7L-

7M34

8A-8

B-8

C-8

DP

358H

-8G

-8L-

8M36

0402

C17

0.1

uFd

0402

C17

0.1

uFd

0402

R29

10K

0402

R29

10K

0402

C18

0.01

uFd

0402

C18

0.01

uFd

J2

Pin

Jack

Red

J2

Pin

Jack

Red

12

TP3

TP-4

3RTP

3TP

-43R

1

0402

R22

100K

0402

R22

100K

P2

THER

MO

CO

UPL

E BI

ND

ING

PO

ST

P2

THER

MO

CO

UPL

E BI

ND

ING

PO

ST1

10402

C16 0.

1 uF

d

0402

C16 0.

1 uF

d

Shield

Sensor

CSB

1

Cap

Sens

e Bu

tton

9mm

Rou

nd

Shield

Sensor

CSB

1

Cap

Sens

e Bu

tton

9mm

Rou

nd

12

0603

R18

49.9

K1%

0603

R18

49.9

K1%

1 2

0402

C6

1 uF

d

0402

C6

1 uF

d0402

R7

1.5K

0402

R7

1.5K

1 2

0402

R35

10K

0402

R35

10K

0805

R28

1M0.

1%

0805

R28

1M0.

1%12

0805R

25 1M0.

1%

0805R

25 1M0.

1%12

TP2

BLAC

KTP

2BL

ACK

0805

R31

34.8

K0.

1%

0805

R31

34.8

K0.

1%

12

0402

R21

10K0402

R21

10K

0805

R1

ZER

O

0805

R1

ZER

O

12

0402R

36 5.6K

0402R

36 5.6K

0603

R4

24 o

hm

0603

R4

24 o

hm1

2

J1

Pin

Jack

Bla

ck

J1

Pin

Jack

Bla

ck

12

0805

R27

34.8

K0.

1%

0805

R27

34.8

K0.

1%

12

0402

C3

0.1

uFd

0402

C3

0.1

uFd

0402

C14

1 uF

d

0402

C14

1 uF

d

TP1

RED

TP1

RED

0402

C15 0.

1 uF

d

0402

C15 0.

1 uF

d0603

R9 33

0 oh

m0603

R9 33

0 oh

m

12

0805

R13

348K

0.1%

0805

R13

348K

0.1%

1 2

0402

C13

1 uF

d

0402

C13

1 uF

d

0402

C10

1 uF

d

0402

C10

1 uF

d

0402

R33

10K

0402

R33

10K

0603

R17

NO

LO

AD

0603

R17

NO

LO

AD

1 2

0402

R2

100K

0402

R2

100K

0805

R16 4.

7K

0805

R16 4.

7K

12

BH1

BATT

HLD

R 1

XAA

BH1

BATT

HLD

R 1

XAAP

OS

1

NE

G2

0805

R12

34.8

K0.

1%

0805

R12

34.8

K0.

1%

1 2

0603

R10 33

0 oh

m0603

R10 33

0 oh

m

12

0402

C8

1 uF

d

0402

C8

1 uF

d

0402

R24

10K

0402

R24

10K

0805R

3234

8K0.

1%0805

R32

348K

0.1%

12

P1 USB

MIN

I B

P1 USB

MIN

I B

VB

US

1

DM

2

DP

3

GN

D5

ID4

S16

S27 S3

8

S49

0402

R8

ZER

O

0402

R8

ZER

O

0402

C5

1 uF

d

0402

C5

1 uF

d

0603

R19

150

1%

0603

R19

150

1%

1 2

0805

R30

1M0.

1%

0805

R30

1M0.

1%12

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A.2 Bill of Materials

Item Quantity Reference Description Manufacturer Manufacturer Part Number

PCB Cypress PDCR-9511 REV**

1 2 C1,C2 CAP CER 22UF 10V 10% X5R 1210 Kemet C1210C226K8PACTU

2 5 C3,C4,C15,C16,C17

CAP .10UF 10V CERAMIC X5R 0402 Kemet C0402C104K8PACTU

3 11C5,C6,C7,C8,C9,C10,C11,C12,C13,C14,C21

CAP 1 uF 6.3V CERAMIC X5R 0402 Panasonic ECJ-0EB0J105M

4 1 C18 CAP 10000PF 16V CERAMIC 0402 SMD

Panasonic - ECG ECJ-0EB1C103K

5 1 C19 CAP CER 2200PF 50V 5% C0G 0603 Murata GRM1885C1H222JA01D

6 1 C20 CAP 1000PF 50V CERAMIC X7R 0402

Panasonic - ECG ECJ-0EB1H102K

7 2 D1,D2 LED GREEN CLEAR 0603 SMD Lite-On Trad-ing USA, Inc. LTST-C190GKT

8 1 J1 JACK TEST HORZ LOW PRO BLACK AU

Keystone Electronics 6062

9 1 J2 JACK TEST HORZ LOW PRO RED AU


10 1 J3 CONN HEADER 10 PIN 50MIL KEYED SMD Samtec FTSH-105-01-L-DV-K

11 1 L1 COIL PWR CHOKE 10UH 1A SMD

Panasonic - ECG ELL-6PM100M

12 1 L2 FERRITE CHIP 120 OHM 500MA 0603 SMD

TDK Corpora-tion MMZ1608S121A

13 1 P1 CONN USB MINI B SMT RIGHT ANGLE TYCO 1734035-2

14 2 P2,P3 Mini Binding Post Keystone Electronics 8730

15 1 R1 RES 0.0 OHM 1/10W 5% 0805 SMD

Panasonic-ECG ERJ-6GEY0R00V

16 3 R2,R5,R22 RES 100K OHM 1/16W 5% 0402 SMD

Panasonic - ECG ERJ-2GEJ104X

17 2 R3,R4 RES 24 OHM 1/16W 5% 0603 SMD

Panasonic - ECG ERJ-3GEYJ240V

18 2 R6,R7 RES 1.50K OHM 1/16W 1% 0402 SMD

Panasonic - ECG ERJ-2RKF1501X

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19 2 R8,R14 RES ZERO OHM 1/16W 0402 SMD

Panasonic - ECG ERJ-2GE0R00X

20 2 R9,R10 RES 330 OHM 1/16W 5% 0603 SMD


21 2 R11,R30 RES 1.0M OHM 1/8W .1% 0805 SMD

Susumu Co Ltd RG2012P-105-B-T5

22 2 R12,R31 RES 34.8K OHM 1/8W .1% 0805 SMD


23 1 R15 RES 560 OHM 1/16W 5% 0402 SMD

Yageo Corpo-ration RC0402JR-07560RL

24 1 R16 RES 4.7K OHM 1/10W 5% 0805 SMD


25 1 R18 RES 49.9K OHM 1/10W 1% 0603 SMD

Panasonic - ECG ERJ-3EKF4992V

26 1 R19 RES 150 OHM 1/10W 1% 0603 SMD

Panasonic - ECG ERJ-3EKF1500V

27 5 R20,R21,R24,R33,R35

RES 10K OHM 1/16W 5% 0402 SMD Yageo RC0402JR-0710KL

28 1 R36 RES 5.6K OHM 1/16W 5% 0402 SMD


29 1 R37 RES 6.8K OHM 1/16W 5% 0402 SMD


30 1 SW1 SW SLIDE DPDT 6VDC 0.3A PCMNT

C&K Compo-nents JS202011AQN

31 1 TP1 TEST POINT 43 HOLE 65 PLATED RED


32 1 TP2 TEST POINT 43 HOLE 65 PLATED BLACK


33 1 U1 PSoC 3 Mixed-Signal ArrayCypress Semiconduc-tor

CY8C38XXAXI-0XX

34 1 U2 LCD 14SEG 8DIG 0.275" REFL STD

Pacific Dis-play Devices PD-878-DP-RC-S-LV-6

35 1 LABEL PCA and Serial Number Barcode Label


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NO LOAD Components

36 1 TC1 OMEGA Thermocouple Type K OMEGA CHAL-020

37 2 N/A STANDOFF HEX 1.000/4-40THR NYLON

Keystone Electronics 1902E

38 2 N/A SCREW MACH PHIL 4-40X3/8 NYLON

Building Fas-teners NY PMS 440 0038 PH

39 1 BH1 HOLDER BATTERY 1CELL AA PC MNT


40 1 C22 CAP 0402 NO LOAD NA NA

41 2 R13,R32 RES 348K OHM 1/8W .1% 0805 Susumu Co Ltd RG2012P-3483-B-T5

42 1 R17 RES NO LOAD 0603 SMD NA NA

43 1 R23 RES NO LOAD 0402 SMD NA NA

44 2 R26,R27 RES 34.8K OHM 1/8W .1% 0805 SMD


45 2 R25,R28 RES 1.0M OHM 1/8W .1% 0805 SMD


46 1 R29 RES 10K OHM 1/16W 5% 0402 SMD Yageo RC0402JR-0710KL

47 1 CSB1 CapSense Button 9mm Round NA NA

48 3 TP3,TP4,TP5 TEST POINT 43 HOLE 65 PLATED NA NA


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A.3 PCB Layout and SilkscreenFigure A-1. Primary Side

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Figure A-2. Secondary Side

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A.4 Assembly DrawingFigure A-3. Primary Side

Figure A-4. Secondary Side

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cy8ckit-007 psoc® 3 precision analog voltmeter …cy8ckit-007 psoc 3 precision analog voltmeter...

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