Microchip Technology ATMEGA809-MU MCUs 20MHz，8KB，QFN

Core: AVR

Data RAM Size: 6 kB

Data RAM Type: SRAM

Data ROM Size: 256 B

Data ROM Type: EEPROM

ADC Resolution: 10 bit

Data Bus Width: 8 bit

Interface Type: I2C, SPI, UART

Mounting Style: SMD/SMT

Number of I/Os: 41 I/O

Development Kit: ATATMEL-ICE

Watchdog Timers: Watchdog Timer, Windowed

Processor Series: ATMEGA

Program Memory Size: 8 kB

Program Memory Type: Flash

Supply Voltage - Max: 5.5 V

Supply Voltage - Min: 1.8 V

Number of ADC Channels: 12 Channel

Maximum Clock Frequency: 20 MHz

Number of Timers/Counters: 5 Timer

Maximum Operating Temperature: + 125 C

Minimum Operating Temperature: - 40 C