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Atmel AT91SAM7X256 (ARM) Board, Color LCD, USB, 2x RS232, SD/MMC US$76.93

SAM7-EX256
Atmel AT91SAM7X256 (ARM) Board, Color LCD, USB, 2x RS232, SD/MMC


This development board features a 12-bit color 128x128 TFT LCD with backlight, plus an on-board speaker, audio input/output jacks, joystick, buttons and other components to use with the Atmel AT91SAM7X256 ARM7 processor.

AT91SAM7X256 Development Board Features

  • Atmel AT91SAM7X256 16/32-bit ARM7TDMI MCU with 256 kBytes Program Flash, 64 kBytes RAM, CAN, USB 2.0, Ethernet 10/100, RTT, 10-bit ADC an 384 ksps, 2x UARTs, TWI (I2C), 2x SPI, 3x 32-bit 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 (such as with ARM-JTAG)
  • 128x128 TFT 12-bit Color LCD with backlight
  • KS8721BL 10/100 Ethernet PHY
  • USB connector
  • Two-channel RS232 interface and drivers
  • SD/MMC card connector
  • Joystick with 4 directions 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; board can take power from USB also
  • Power supply LED
  • Power supply filtering capacitor
  • Reset circuit and Reset button
  • 18.432 MHz crystal in socket
  • Extension headers for all MCU ports
  • PCB: FR-4, 1.5 mm (0.062"), soldermask, silkscreen component print
  • Dimensions: 128 x 98 mm (5 x 3.8")

Add-on UEXT Modules Available

This board has a universal extension connector, UEXT, which allows you to add a peripheral module easily. The UEXT can provide I2C, RS232, SPI and power to the external device. Please see the UEXT Boards Category for a full list of modules that can plug into the UEXT port.

AT91SAM7X256 Development Board Resources

Note: This board does not ship with any documentation or software.


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This product was added to our catalog on Tuesday 25 July, 2006.

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