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Atmel AT91SAM7S256 Prototype Board, USB, 2x RS232, SD, UEXT US$59.00

Atmel AT91SAM7S256 Prototype Board, USB, 2x RS232, SD, UEXT

This development board allows you to design your own projects around an Atmel AT91SAM7S256 ARM7TDMI-S microcontroller.

AT91SAM7S256 Prototype Board Features

  • AT91SAM7S256 16/32-bit ARM7TDMI-S microcontroller with 256 kBytes Flash, 64 kBytes RAM, USB 2.0, RTT, 10-bit ADC 384 ksps, 2x UARTs, TWI (I2C), SPI, 3x 32-bit Timers, 4x PWM, SSC, WDT, PDC (DMA) for all peripherals, up to 60 MHz operation
  • Standard JTAG connector with ARM 2x10 pin layout for programming/debugging
  • USB connector
  • UEXT connector for expansion (see below)
  • Two-channel RS232 interface and drivers
  • SD/MMC card connector (on bottom of board)
  • Two buttons
  • Trimpot connected to ADC
  • Thermistor connected to ADC
  • Two status LEDs
  • On-board voltage regulator 3.3V with up to 800mA current
  • Single power supply: 6V AC or DC required
  • Power supply LED
  • Power supply filtering capacitor
  • RESET circuit
  • 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: 120 x 80 mm (4.7 x 3.15")

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.

AT91SAM7S256 Prototype Board Resources

Some of these documents refer to the SAM7-P64 board, which has an AT91SAM7S64 MCU. The form and function is identical; the AT91SAM7S64 only has less Flash and RAM. Note: This board does not ship with any documentation or software.

Ships from: USA
Leadtime: In stock

Optional Recommended Products for this Item
Serial Cable, 6ft., DB9 M/F+ US$6.00
USB 2.0 Cable, 6ft., A-Male / B-Male+ US$6.00
Power Supply 3-12V DC, U.S. plug, 6 connection tips+ US$11.00
Power Supply 3-12V DC, US/UK/Euro/AU Plugs, 100-240VAC+ US$13.00

This product was added to our catalog on Friday 16 June, 2006.


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