DIGITAL ALBUM

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.

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.

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

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.

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.

COMPONENTS & ITS SPECIFICATIONS (contd..)

TFT LCD:• TFT LCD of 3.5'' 320x 240 (24-bit color) TFT

with backlight.

THANK YOU