Download - Amitha Abstract Ppt
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DIGITAL ALBUM
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ABSTRACT
AIM:
To develop and Design a Digital Album i.e. to read the Image Files present in external RAM and display it on TFT LCD.
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ABSTRACT
TASKS:• Designing the modules to interface with ARM.• Designing Power Supply for different voltage. • To interface with TFT LCD.• To interface with External SDRAM.• Handle BMP files.• Developing a code to handle FAT32 file system• Interfacing with USB/ SD card.
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BLOCK DIAGRAM
LPC2478(ARM7)
Microcontroller
TFT LCD(320x240)
ExternalSRAM(64MB)
POWER SUPPLY1.5v, 3v,5v, -5v,12v
24 Data Lines, 5 Ctrl Lines
SD card/ USBSlot
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WORKING
• LPC2478 is ARM7.
• Use its speed features.
• Handle the mass storage device.
• These picture files are stored in a specific file format (i.e. FAT32)
• Decode the picture file such as .bmp file.
• Picture can be viewed on TFT LCD.
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COMPONENTS & ITS SPECIFICATIONS
LPC2478:
• ARM7TDMI-S processor- 72 MHz.• 512 kB on-chip flash program memory.• 98 kB on-chip SRAM. • LCD controller- Super-Twisted Nematic (STN) and
Thin-Film Transistors (TFT) displays.
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COMPONENTS & ITS SPECIFICATIONS (contd..)
TFT LCD:• TFT LCD of 3.5'' 320x 240 (24-bit color) TFT
with backlight.
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THANK YOU