ATtiny25 Datasheet | Atmel

Features - High performance, low power AVR® 8-bit microcontroller - Advanced RISC architecture - 120 powerful instructions - most single clock cycle execution - 32 × 8 general purpose working registers - Fully static operation - Non-volatile program and data memories - 2/4/8Kbyte of in-system programmable program memory flash (ATtiny25/45/85) - Endurance: 10,000 write/erase cycles - 128/256/512 bytes in-system programmable EEPROM (Atmel® ATtiny25/45/85) - Endurance: 100,000 write/erase cycles - 128/256/512 bytes internal SRAM (ATtiny25/45/85) - Programming lock for self-programming flash program and EEPROM data security - Peripheral features - 8-bit Timer/Counter with prescaler and Two PWM channels - 8-bit high speed Timer/Counter with separate prescaler - 2 High frequency PWM outputs with separate output pare registers - Programmable...