AT90S4434 Datasheet | Atmel

Features - AVR® - High-performance and Low-power RISC Architecture - 118 Powerful Instructions - Most Single Clock Cycle Execution - 32 x 8 General Purpose Working Registers - Up to 8 MIPS Throughput at 8 MHz - Data and Nonvolatile Program Memories - 4K/8K Bytes of In-System Programmable Flash SPI Serial Interface for In-System Programming Endurance: 1,000 Write/Erase Cycles - 256/512 Bytes EEPROM Endurance: 100,000 Write/Erase Cycles - 256/512 Bytes Internal SRAM - Programming Lock for Software Security - Peripheral Features - 8-channel, 10-bit ADC - Programmable UART - Two 8-bit Timer/Counters with Separate Prescaler and pare Mode - One 16-bit Timer/Counter with Separate Prescaler, pare and Capture Modes, and dual 8-, 9-, or 10-bit PWM - Programmable Watchdog Timer with On-chip Oscillator - On-chip Analog parator - Special Microcontroller Features - Power-on Reset Circuit - Real Time Clock (RTC) with Separate Oscillator and Counter...