ATMEGA48P-20PU The ATMEGA48P-20PU is an 8-bit AVR microcontroller from Microchip with 4KB Flash memory, 512B RAM, and 23 I/O pins. It operates at up to 20MHz and features a wide voltage range of 2.7V to 5.5V.
Mfr Part #:

ATMEGA48P-20PU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA48P-20PU is an 8-bit AVR microcontroller from Microchip with 4KB Flash memory, 512B RAM, and 23 I/O pins. It operates at up to 20MHz and features a wide voltage range of 2.7V to 5.5V.
✓ Total Stock: 6,500 pcs

ATMEGA48P-20PU Available from 1 distributor

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ATMEGA48P-20PU 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 Spacing
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage

ATMEGA48P-20PU Description

Short technical summary and product information.

The ATMEGA48P-20PU is a high-performance, low-power 8-bit AVR microcontroller from Microchip Technology. It features 4KB of in-system self-programmable Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM with 100,000 write/erase cycles. The device operates at up to 20 MHz, achieving 20 MIPS throughput.

 

Key peripherals include two 8-bit timers, one 16-bit timer, six PWM channels, a 6-channel 10-bit ADC, and serial interfaces (I2C, SPI, UART). It also features an internal oscillator, brown-out detection, power-on reset, and watchdog timer. The active current is 0.3 mA at 1 MHz, with power-down mode consuming only 0.1 µA.

 

The microcontroller is housed in a 28-pin PDIP package (28-DIP, 0.300 inch lead spacing) and supports through-hole mounting. It operates over a temperature range of -40°C to 85°C and a supply voltage of 2.7V to 5.5V, making it suitable for industrial and embedded applications.

ATMEGA48P-20PU Quick Information

Product Type: Microcontroller
Series: AVR
Canonical Name: Microchip Technology ATMEGA48P-20PU 8-bit AVR Microcontroller
Subcategory: Microcontrollers

ATMEGA48P-20PU Compliance

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

ATMEGA48P-20PU Features

  • 8-bit AVR core with 20MHz maximum speed.
  • 4KB Flash memory for program storage.
  • 23 general-purpose I/O pins available.
  • 6-channel 10-bit analog-to-digital converter.
  • Supports I2C, SPI, and USART interfaces.

ATMEGA48P-20PU Applications

  • Ideal for embedded control and automation.
  • Suitable for sensor interfacing and data logging.
  • Used in automotive and industrial applications.
  • Perfect for low-power battery-powered devices.

ATMEGA48P-20PU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA48P-20PU?

The device operates from 2.7V to 5.5V.

What package does the ATMEGA48P-20PU come in?

It is available in a 28-pin PDIP (28-DIP, 0.300 inch wide) through-hole package.

What is the operating temperature range?

The device is rated for -40°C to 85°C.

Is the ATMEGA48P-20PU RoHS compliant?

It is listed as RoHS3 Compliant, but this status is unverified.

What is the maximum clock speed?

The maximum clock speed is 20 MHz.

How many I/O pins does it have?

It has 23 general-purpose I/O pins.

Does it have an analog-to-digital converter?

Yes, it features a 6-channel 10-bit ADC.

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