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ATmega644V - 8-bit Atmel Microcontroller

Download the ATmega644V datasheet PDF. This datasheet also covers the ATmega644 variant, as both devices belong to the same 8-bit atmel microcontroller family and are provided as variant models within a single manufacturer datasheet.

General Description

Digital supply voltage.

Ground.

Port A serves as analog inputs to the Analog-to-digital Converter.

Key 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 SRA.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ATmega644-ATMEL.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
ATMEGA644 8-bit Microcontroller ATMEL Corporation
ATmega644A CMOS 8-bit microcontrollers Microchip
ATmega644A 8-bit Atmel Microcontroller ATMEL Corporation
ATMEGA644P 8-Bit Microcontroller ATMEL Corporation
ATmega644PA CMOS 8-bit microcontrollers Microchip

Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
ATMEGA644PV 8-Bit Microcontroller
ATmega644RFR2 8-bit Microcontroller
ATMEGA640V 8-bit Microcontroller
ATmega6450A 8-bit Microcontroller
ATmega6450P 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
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 Software Security • JTAG (IEEE std. 1149.