Friday, October 18, 2013

SAM7-LA2 DEVELOPMENT BOARD FOR AT91SAM7EA2 ARM7TDMI-S MICROCONTROLLER

SAM7-LA2 DEVELOPMENT BOARD FOR AT91SAM7EA2 ARM7TDMI-S MICROCONTROLLER

SAM7-LA2 is good platform for low power uclinux applications. AT91SAM7A2 is targeting low power applications. The on board 4MB of RAM and 1 MB of Flash allow RTOS like uclinux, ucos, etc to be used. The CAN , RS232, 100Mbit Ethernet ports allow this board to be used in many applications.



FEATURES

  • MCU: AT91SAM7A2 16/32 bit ARM7TDMI™ with 16K Bytes RAM, 4x CAN, RTT, 10 bit ADC 384 ksps, 2x UARTs, 2x SPI, 3x 32bit TIMERS, 4x PWM, SSC, WDT, PDC (DMA) for all peripherals, up to 30MHz operation
  • Standard JTAG connector with ARM 2x10 pin layout for programming/debugging with ARM-JTAG
  • 4MB SRAM (2MB x16 bit) PSRAM
  • 1MB (512Kx16bit) 55ns MX26LV800BTC FLASH or 70 ns ES29LV800EB FLASH
  • Ethernet 10/100 with DM9000E + RJ45 connector with 2 status LEDs
  • CAN driver and interface
  • RS232 interface and driver
  • SD/MMC card connector
  • Button
  • 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 port too
  • Power supply LED
  • Power supply filtering capacitor
  • RESET circuit , RESET button
  • 6 Mhz crystal on socket
  • 32768 Hz for RTC
  • Extension headers for all uC ports
  • PCB: FR-4, 1.5 mm (0,062"), soldermask, silkscreen component print
  • Dimensions: 118 x 80 mm (4.6 x 3.15")