ATMEGA88P-20PU DIP-28 20MHz Microcontroller

High-performance Microchip picoPower® 8-bit AVR® RISC-based microcontroller combines 8 KB ISP Flash memory, read-as-write, 512B EEPROM, 1 KB SRAM, 23 general-purpose I/O lines, 32 general-purpose work registers, comparison three flexible timer/counters with mode, internal and external interrupts, serial programmable USART, byte-oriented Two-Wire serial interface, SPI serial port, 6-channel 10-bit A/D converter (8 channels in TQFP and QFN/MLF packages), internal programmable watchdog timer with oscillator and five software-selectable power-saving modes. The device operates between 2.7-5.5 volts.