Microchip Technology AVR32EA28-I/SP MCUs 32KB，RWW，4KB RAM，28针SPDIP，85°C，20MHz，CFD，12位ADC，PGA，2个比较器，DAC，3个UART，SPI，TWI

Core: AVR

Data RAM Size: 4 kB

Data RAM Type: SRAM

Data ROM Size: 512 B

Data ROM Type: EEPROM

ADC Resolution: 12 bit

DAC Resolution: 10 bit

Data Bus Width: 8 bit/16 bit

Interface Type: I2C, SPI, USART

Mounting Style: Through Hole

Number of I/Os: 24 I/O

Watchdog Timers: Watchdog Timer

Program Memory Size: 32 kB

Program Memory Type: Flash

Supply Voltage - Max: 5.5 V

Supply Voltage - Min: 1.8 V

Number of ADC Channels: 20 Channel

Maximum Clock Frequency: 20 MHz

Operating Supply Voltage: 1.8 V to 5.5 V

Number of Timers/Counters: 6 Timers

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C