Datasheet4U Logo Datasheet4U.com

ATmega644A - 8-bit Atmel Microcontroller

Download the ATmega644A datasheet PDF. This datasheet also covers the ATmega164A variant, as both devices belong to the same 8-bit atmel microcontroller family and are provided as variant models within a single manufacturer datasheet.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ATmega164A-ATMELCorporation.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
ATmega644A CMOS 8-bit microcontrollers Microchip
ATmega644PA CMOS 8-bit microcontrollers Microchip
ATMEGA644PV 8-Bit Microcontroller ATMEL
ATmega644RFR2 8-bit Microcontroller ATMEL
ATmega644V 8-bit Atmel Microcontroller ATMEL

Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
ATMEGA644 8-bit Microcontroller
ATMEGA644P 8-Bit Microcontroller
ATmega644PA 8-bit Microcontroller
ATmega64 8-bit AVR Microcontroller with 64K Bytes In-System Programmable Flash
ATMEGA640 8-BIT Microcontroller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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