ATMEGA645P-MU The ATMEGA645P-MU is an 8-bit AVR microcontroller from Microchip Technology with 64KB Flash memory, 4KB SRAM, and 2KB EEPROM. It operates at up to 16 MHz with a supply voltage range of 1.8V to 5.5V.
Mfr Part #:

ATMEGA645P-MU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA645P-MU is an 8-bit AVR microcontroller from Microchip Technology with 64KB Flash memory, 4KB SRAM, and 2KB EEPROM. It operates at up to 16 MHz with a supply voltage range of 1.8V to 5.5V.
✓ Total Stock: 3,250 pcs

ATMEGA645P-MU Available from 1 distributor

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ATMEGA645P-MU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
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ATMEGA645P-MU Description

Short technical summary and product information.

The ATMEGA645P-MU is a high-performance, low-power 8-bit AVR microcontroller from Microchip Technology. It features 64KB of in-system self-programmable Flash memory, 4KB internal SRAM, and 2KB EEPROM, providing ample storage for complex embedded applications. The device supports a maximum clock frequency of 16 MHz, delivering up to 16 MIPS throughput.

 

This microcontroller includes a rich set of peripherals such as two 8-bit timer/counters, one 16-bit timer/counter with capture mode, four PWM channels, and an 8-channel 10-bit ADC. Connectivity options include SPI, UART/USART, and USI interfaces. It also features a brown-out detect/reset, power-on reset, and a watchdog timer for reliable operation.

 

The ATMEGA645P-MU is housed in a 64-VFQFN exposed pad package (64-QFN 9x9mm) and is designed for surface mount assembly. It operates over an industrial temperature range of -40°C to +85°C and supports a wide supply voltage range from 1.8V to 5.5V, making it suitable for battery-powered and industrial applications.

ATMEGA645P-MU Quick Information

Product Type: Microcontroller
Series: AVR ATmega
Canonical Name: Microchip Technology ATmega645P 8-bit AVR Microcontroller
Subcategory: 8-bit Microcontrollers

ATMEGA645P-MU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA645P-MU Features

  • 8-bit AVR core with 16 MHz maximum clock speed.
  • 64KB Flash, 4KB SRAM, and 2KB EEPROM memory.
  • 54 I/O pins with SPI, UART/USART, and USI connectivity.
  • 8-channel 10-bit ADC and four PWM channels.
  • Wide supply voltage range of 1.8V to 5.5V.

ATMEGA645P-MU Applications

  • Ideal for industrial control and automation systems.
  • Suitable for battery-powered portable devices.
  • Used in sensor interface and data acquisition modules.
  • Applicable in motor control and PWM-driven applications.

ATMEGA645P-MU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA645P-MU?

The ATMEGA645P-MU operates from 1.8V to 5.5V.

What package does the ATMEGA645P-MU come in?

It comes in a 64-VFQFN Exposed Pad package, also known as 64-QFN (9x9mm).

What is the operating temperature range of the ATMEGA645P-MU?

The operating temperature range is -40°C to +85°C.

Is the ATMEGA645P-MU RoHS compliant?

Yes, it is listed as RoHS3 Compliant.

How much Flash memory does the ATMEGA645P-MU have?

It has 64KB of Flash program memory.

How many I/O pins are available on the ATMEGA645P-MU?

It has 54 I/O pins.

What is the maximum clock speed of the ATMEGA645P-MU?

The maximum clock speed is 16 MHz.

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