ATMEGA8U2 Datasheet | Atmel

Features - High Performance, Low Power AVR® 8-Bit Microcontroller - Advanced RISC Architecture - 125 Powerful Instructions - Most Single Clock Cycle Execution - 32 x 8 General Purpose Working Registers - Fully Static Operation - Up to 16 MIPS Throughput at 16 MHz - Non-volatile Program and Data Memories - 8K/16K/32K Bytes of In-System Self-Programmable Flash - 512/512/1024 EEPROM - 512/512/1024 Internal SRAM - Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM - Data retention: 20 years at 85C/ 100 years at 25C(1) - Optional Boot Code Section with Independent Lock Bits In-System Programming by on-chip Boot Program hardware-activated after reset True Read-While-Write Operation - Programming Lock for Software Security - USB 2.0 Full-speed Device Module with Interrupt on Transfer pletion - plies fully with Universal Serial Bus Specification REV 2.0 - 48 MHz PLL for Full-speed Bus Operation : data transfer rates at 12 Mbit/s - Fully independant 176 bytes USB DPRAM for endpoint memory...