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ATmega644A - 8-bit Atmel Microcontroller

This page provides the datasheet information for the ATmega644A, a member of the ATmega164A 8-bit Atmel Microcontroller family.

Datasheet Summary

Features

  • High-performance, low-power 8-bit Atmel® AVR® Microcontroller.
  • Advanced RISC architecture ̶ 131 powerful Instructions.
  • most single-clock cycle execution ̶ 32 × 8 general purpose working registers ̶ Fully static operation ̶ Up to 20MIPS throughput at 20MHz ̶ On-chip 2-cycle multiplier.
  • High endurance non-volatile memory segments ̶ 16/32/64/128KBytes of In-System Self-programmable Flash program memory ̶ 512/1K/2K/4KBytes EEPROM ̶ 1/2/4/16KBytes Internal SRAM ̶ Write/Erase.

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Datasheet preview – ATmega644A

Datasheet Details

Part number ATmega644A
Manufacturer ATMEL Corporation
File Size 11.60 MB
Description 8-bit Atmel Microcontroller
Datasheet download datasheet ATmega644A Datasheet
Additional preview pages of the ATmega644A datasheet.

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Full PDF Text Transcription

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ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P 8-bit Atmel Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash DATASHEET Features  High-performance, low-power 8-bit Atmel® AVR® Microcontroller  Advanced RISC architecture ̶ 131 powerful Instructions – most single-clock cycle execution ̶ 32 × 8 general purpose working registers ̶ Fully static operation ̶ Up to 20MIPS throughput at 20MHz ̶ On-chip 2-cycle multiplier  High endurance non-volatile memory segments ̶ 16/32/64/128KBytes of In-System Self-programmable Flash program memory ̶ 512/1K/2K/4KBytes EEPROM ̶ 1/2/4/16KBytes 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 Program
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