This microcontroller board features an Atmel AT91SAM7S256 (ARM7TDMI core) microcontroller; 2x16 LCD; 5 push buttons; RS232 interface; USB interface; Relay; Buzzer; and status LED. A JTAG connector allows for easy in-circuit debugging and programming.

The board ships completely assembled and tested.

AT91SAM7S256 Board Features

• AT91SAM7S256 16/32-bit ARM7TDMI MCU with 256 kBytes Program Flash, 16 kBytes RAM, USB 2.0, RTT, 10-bit ADC at 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 (such as with ARM-JTAG)
• USB connector

• 16-character, 2-line LCD with backlight
• RS232 interface and driver
• Relay 10A/250V AC
• Buzzer
• 5 buttons
• Status LED
• On-board voltage regulator 3.3V with up to 800mA current
• Single power supply: 12V AC or DC required
• 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 38 mm (4.7 x 1.5")

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