Condition: 100% Brand New Item Type: Development Board Processor: AT91SAM3X8E Working Voltage : 3.3V Input Voltage : 7-12V Input Voltage : (limit) 6-20V Digital I/O Port: 54 (12 PWM outputs) Analog Input pin: 12 Analog Output Pin: 2 (digital to analog conversion) Motherboard I/O Port: DC output total current 130mA 3.3V power supply pin provides 800mA current 5V power supply pin can be used together with 800mA current Internal Flash Memory Capacity: 512KB SRAM: 96KB (two banks: 64KB and 32KB) Clock Frequency: 84MHz 1、The board is a microcontroller board based on the SAM3X8E ARM Cortex-M3 CPU. 2、It is the first board based on a 32-bit ARM core microcontroller. 3、With 54 digital input/output pins (of which 12 can be used as PWM outputs), 12 analog inputs, 4 UARTs (hardware serial ports), a 84 MHz clock,an USB OTG capable connection, 2 DAC (digital to analog), 2 TWI, a power socket, an header, a JTAG header, a reset button and an erase button. 4、Made of high quality electronic components, stable and reliable. 5、Easy to operate, anti-aging, prolong service life. 1 x Development Board 1 x Data Cable