Microchip, 8bit 8 bit MCU, AVR Microcontroller, 20MHz, 2 kbit EEPROM, 20-Pin PDIP

The Microchip high-performance Microchip Pico Power® AVR® RISC-based CMOS 8-bit microcontroller combines 2 KB Flash memory, 128B EEPROM, 128B SRAM, 18 general purpose I/O lines, 32 general purpose working registers, a single-wire Interface for on-chip debugging, two flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a universal serial interface (USI) with start condition detector, programmable watchdog timer with internal oscillator, and three software selectable power saving modes. The device operates between 1.8-5.5 volts.

120 Powerful Instructions most single clock cycle execution
32 x 8 General Purpose Working Registers
Fully Static Operation
Up to 20 MIPS Throughput at 20 MHz