ATMEGA325P-20MUR 8-bit AVR microcontroller with 32KB Flash memory, 2KB SRAM, 1KB EEPROM, 54 I/O, and operating speed up to 20 MHz.
Mfr Part #:

ATMEGA325P-20MUR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
8-bit AVR microcontroller with 32KB Flash memory, 2KB SRAM, 1KB EEPROM, 54 I/O, and operating speed up to 20 MHz.
✓ Total Stock: 2,967 pcs

ATMEGA325P-20MUR Available from 1 distributor

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✓ Non-Authorised
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2,967 pcs
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ATMEGA325P-20MUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Industrial Grade
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Voltage

ATMEGA325P-20MUR Description

Short technical summary and product information.

The ATMEGA325P-20MUR is an 8-bit AVR microcontroller from Microchip Technology, featuring a high-performance RISC architecture with 130 instructions. It operates at up to 20 MHz, delivering up to 20 MIPS throughput. The device integrates 32KB of in-system self-programmable Flash memory, 2KB SRAM, and 1KB EEPROM for data storage. It offers 54 programmable I/O lines and supports connectivity via SPI, UART/USART, and USI (Universal Serial Interface).

 

Additional peripherals include two 8-bit timers, one 16-bit timer with capture/compare/PWM, an 8-channel 10-bit ADC, a watchdog timer, and an analog comparator. The microcontroller also features a JTAG interface for boundary-scan and on-chip debug. It includes brown-out detection, power-on reset, an internal calibrated oscillator, and five sleep modes for power management.

 

The device is supplied in a 64-VFQFN exposed pad package (64-QFN 9x9) and supports surface mount assembly. It operates over a supply voltage range of 2.7V to 5.5V and a temperature range of -40°C to 85°C. The part is available in tape and reel packaging.

ATMEGA325P-20MUR Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: ATMEGA325P-20MUR 8-bit AVR Microcontroller
Subcategory: 8-bit Microcontrollers

ATMEGA325P-20MUR Compliance

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

ATMEGA325P-20MUR Features

  • 8-bit AVR core with 20 MHz max speed.
  • 32KB in-system self-programmable Flash memory.
  • 2KB SRAM and 1KB EEPROM on-chip.
  • 54 programmable I/O lines with SPI, UART, USI.
  • Operating voltage range 2.7V to 5.5V.

ATMEGA325P-20MUR Applications

  • Industrial control and automation systems.
  • Embedded sensor interfaces and data logging.
  • Power management and battery-operated devices.
  • IoT edge nodes with serial communication.
  • Motor control and PWM applications.

ATMEGA325P-20MUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA325P-20MUR?

2.7V to 5.5V.

What is the package type for this microcontroller?

64-VFQFN Exposed Pad (also known as 64-QFN 9x9).

What is the operating temperature range?

-40°C to 85°C.

Is the ATMEGA325P-20MUR RoHS compliant?

It is marked as RoHS3 Compliant (unverified).

How much program memory (Flash) does the device have?

32KB (16K x 16).

What communication interfaces are supported?

SPI, UART/USART, and USI (Universal Serial Interface).

What is the maximum clock speed?

20 MHz.

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