Microchip Technology AVR64DD28T-I/STX MCUs 64KB，8KB RAM，28针，24MHz，MVIO，12位 ADC，ZCD，DAC，2个 UART，SPI，TWI

Core: AVR

Data RAM Size: 8 kB

Data RAM Type: SRAM

Data ROM Size: 256 B

Data ROM Type: EEPROM

ADC Resolution: 12 bit

DAC Resolution: 10 bit

Data Bus Width: 8 bit

Interface Type: I2C, SPI, USART

Mounting Style: SMD/SMT

Number of I/Os: 22 I/O

Watchdog Timers: Watchdog Timer, Windowed

Program Memory Size: 64 kB

Program Memory Type: Flash

Supply Voltage - Max: 5.5 V

Supply Voltage - Min: 1.8 V

Number of ADC Channels: 19 Channel

Maximum Clock Frequency: 24 MHz

Operating Supply Voltage: 1.8 V to 5.5 V

Number of Timers/Counters: 5 Timer

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C