Atmel ATMEGA88-20PU 8-bit Microcontroller 8K DIL28

Low power AVR 8-bit microcontroller, ATmega family, 2.7V to 5.5V supply voltage, 8KB flash memory, 512Bytes EEPROM memory, 1KB SRAM data memory, 28 I/O pins, 6ch x 10Bit ADC channels, 2 timers, 6 PWM channels, 20MHz clock speed, serial 2-Wire, SPI, USART interfaces, 28-DIP case, high performance, low power AVR 8-bit microcontroller, advanced RISC architecture, high endurance non-volatile memory segments, power-on reset and programmable brown-out detection, internal calibrated RC oscillator.

Clock Speed	20MHz