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ATmega64
  • ATmega64
  • ATmega64

ATmega64

In Production

Mature product; not recommended for new designs. Replaced by ATmega64A. ATmega64 is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega64 achieves throughputs approaching one MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed.

Microchip Technology ATmega64 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

64

RAM

4096

Data EEPROM (bytes)

2048

Pin Count

64

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

2.7

ADC Resolution Max

10

ADC Channels

8

Zero Cross Detect

No

Number of Comparators

1

SPI

1

I2C

1

Stand alone PWM

7

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Features

  • 130 Powerful Instructions – Most Single Clock Cycle Execution
  •  32 x 8 General Purpose Working Registers + Peripheral
  • Control Registers
  • Fully Static Operation
  • Up to 16 MIPS Throughput at 16 MHz
  • On-chip 2-cycle Multiplier
  • 64Kbytes of In-System Reprogrammable Flash program memory
  • 2Kbytes EEPROM
  • 4Kbytes Internal SRAM
  • Write/Erase Cycles:
  • 10,000 Flash/100,000 EEPROM
  • Data retention: 20 years at 85°C/100 years at 25°C
  • Optional Boot Code Section with Independent Lock Bits
  • True Read-While-Write Operation
  • Up to 64Kbytes Optional
  • External Memory Space
  • Programming Lock for Software Security
  • SPI Interface for In-System Programming

Description

Mature product; not recommended for new designs. Replaced by ATmega64A.

ATmega64 is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega64 achieves throughputs approaching one MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed.

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