Specification:

MPU

• Chipset: MT7688AN
• Core: MIPS24KEc
• Clock Speed: 580MHz
• Working Voltage: 3.3V

MCU

• Chipset: ATmega32U4
• Core: Atmel AVR
• Clock Speed: 8MHz
• Working Voltage: 3.3V

Memory

• Flash: 32MB
• RAM: 128MB DDR2

GPIO

• Pin Count: 3(MT7688AN), 24(ATmega32U4)
• Voltage: 3.3V

PWM

• Pin Count: 8(Atmega32U4)
• Voltage: 3.3V
• Max. Resolution: 16 bits(customizable)

ADC

• Pin Count 12(ATmega32U4)
• Resolution: 10 bits
• External Interrupts: 8

SPI/SPIS

• Pin numbers: S0, S1, S2, S3
• Max Speed: 4MHz

I2C

• Pin Number: D2/D3
• Speed: 400KHz

UART Lite

• 1 for ATmega32U4, 1 for MT7688AN
• Pin Number: P8/P9(MT7688AN), D0/D1(ATmega32U4)

USB Host

• Pin Number: P6/P7
• Connector Type: Micro-AB

Communication

• Wi-Fi: 1T1R 802.11 b/g/n (2.4G)
• Ethernet: 1-port 10/100 FE PHY
• Pin Numbers: P2/P3/P4/P5
• User Storage: SD Card Micro SD/SDXC
• Size: 60.8x26.0mm