Datasheet ATMEGA128 Equivalent ( PDF ) - Controller

The ATMEGA128 is an 8-bit microcontroller developed by Atmel (now part of Microchip Technology). It is based on the AVR (Alf and Vegard\\\\\\\'s RISC processor) architecture, which is known for its efficient instruction set and high-performance capabilities for embedded systems.

High-performance, Low-power Atmel AVR 8-bit Microcontroller, High Endurance Non-volatile Memory segments

Features High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller Advanced RISC Architecture 135 Powerful Instructions Most Single Clock Cycle Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation Programming Lock for Software Security Endurance: Up to 64Kbytes Optional External Memory Space Atmel® QTou

8-bit Atmel Microcontroller with 16, 32, 64KB In-System Programmable Flash. 1. High Performance, Low Power Atmel AVR 8-Bit Microcontroller 2. Advanced RISC Architecture 3. 135 Powerful Instructions Most Single Clock Cycle

Atmel ATmega640, V-1280, V-1281, V-2560, V-2561, V 8-bit Atmel Microcontroller with 16, 32, 64KB In-System Programmable Flash Features High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller Advanced RISC Architecture 135 Powerful Instructions Most Single Clock Cycle Execution 32 × 8 General Purpose Working Registers Fully Static Operation Up to 16 MIPS Throughput at 16MHz On-Chi