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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.

Description

Digital supply voltage.

Ground.

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

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 (Microchip)

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

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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.
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