Development Board for AT91SAM7X256

Product Description

Replacement: None. We are no longer carrying this development board, but check out our development tools category! This page is for reference only.

Description: Large development board for the SAM7X256 ARM processor.

Features:

• 
  MCU: AT91SAM7X256 16/32 bit ARM7TDMI™ with 256K Bytes Program Flash, 64K Bytes RAM, CAN, USB 2.0, Ethernet 10/100, RTT, 10 bit ADC 384 ksps, 2x UARTs, TWI (I2C), 2x SPI, 3x 32bit TIMERS, 4x PWM, SSC, WDT, PDC (DMA) for all peripherals, up to 55 MHz operation


• 
  Standard JTAG connector with ARM 2x10 pin layout for programming/debugging with ARM-JTAG


• 
  Nokia 6610 128x128 TFT 12 bit COLOR LCD with back light


• 
  Ethernet 10/100 PHY with KS8721BL


• 
  USB connector


• 
  Two channel RS232 interface and drivers


• 
  SD/MMC card connector


• 
  Joystick with 4 direction and push action


• 
  Two buttons


• 
  Audio in and Audio Out jacks for microphone and headphones


• 
  On board Speaker with volume control potentiometer


• 
  Trimpot connected to ADC


• 
  Thermistor connected to ADC


• 
  On board voltage regulator 3.3V with up to 800mA current


• 
  Single power supply: 6V AC or DC required, or power from USB


• 
  Power supply LED


• 
  Power supply filtering capacitor


• 
  Reset circuit , RESET button


• 
  18.432MHz crystal on socket


• 
  Extension headers for all uC ports


• 
  PCB: FR-4, 1.5 mm (0.062"), soldermask, silkscreen component print

Dimensions: 128 x 98 mm (5 x 3.8")



Documents:

• 
  AT91SAM7X256.PDF


• 
  SAM7-EX256 schematic


• 
  Using Open Source Tools - Guide by Jim Lynch


• 
  LCD interface tutorial by Jim Lynch

Software:

• 
  Demo code LCD write, Joystick and buttons read Note: NOKIA6610 comes with two type of controllers, the difference is in the label on the display GE8 and GE12, this project handles both controllers, but you have to comment (#define GE12) if your LCD is GE8, separate BIN files are geenrated for download for GE8 and GE12


• 
  TCP-IP code with FreeRTOS


• 
  BMP-TO-ARRAY converter for Nokia 6610 LCD