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ATMEGA644

Part Number	ATMEGA644
Manufacturer	ATMEL Corporation
Description	8-bit Microcontroller
Published	Apr 26, 2007
Detailed Description	Features • High-performance, Low-power Atmel® AVR® 8-bit Microcontroller • Advanced RISC Architecture – 131 Powerful Ins...
Datasheet	ATMEGA644 PDF File

Overview

Features • High-performance, Low-power Atmel® AVR® 8-bit Microcontroller • Advanced RISC Architecture – 131 Powerful Instructions – Most Single-clock Cycle Execution – 32 × 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Throughput at 20MHz • High Endurance Non-volatile Memory segments – 64 Kbytes of In-System Self-programmable Flash program memory – 2 Kbytes EEPROM – 4 Kbytes Internal SRAM – Write/Erase cyles: 10,000 Flash/100,000 EEPROM(1)(3) – Data retention: 20 years at 85°C/100 years at 25°C(2)(3) – Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation – Programming Lock for Softwa...

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