ATMEGA48-20PU The ATMEGA48-20PU is an 8-bit AVR microcontroller from Microchip Technology with 4KB Flash memory, 512B RAM, and 256B EEPROM. It operates at up to 20MHz and comes in a 28-pin PDIP package.
Mfr Part #:

ATMEGA48-20PU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA48-20PU is an 8-bit AVR microcontroller from Microchip Technology with 4KB Flash memory, 512B RAM, and 256B EEPROM. It operates at up to 20MHz and comes in a 28-pin PDIP package.
✓ Total Stock: 6,500 pcs

ATMEGA48-20PU Available from 1 distributor

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ATMEGA48-20PU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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ATMEGA48-20PU Description

Short technical summary and product information.

The ATMEGA48-20PU is an 8-bit AVR microcontroller from Microchip Technology, based on the enhanced RISC architecture. It features 4KB of in-system self-programmable Flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM, providing a balanced memory configuration for embedded control applications.

 

Operating at speeds up to 20MHz, this MCU delivers up to 20 MIPS throughput. It includes a range of peripherals such as two 8-bit timers, one 16-bit timer, six PWM channels, a 6-channel 10-bit ADC, and serial interfaces including I2C, SPI, and USART. The device also features brown-out detection, power-on reset, and a watchdog timer for reliable operation.

 

The ATMEGA48-20PU is supplied in a 28-pin PDIP package with through-hole mounting, making it suitable for prototyping and low-volume production. It supports a supply voltage range of 2.7V to 5.5V and operates over an industrial temperature range of -40°C to +85°C.

ATMEGA48-20PU Quick Information

Product Type: Microcontroller
Series: ATmega48
Canonical Name: ATMEGA48-20PU
Subcategory: 8-bit Microcontroller

ATMEGA48-20PU Compliance

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

ATMEGA48-20PU Features

  • 8-bit AVR core with 20MHz max speed.
  • 4KB Flash program memory and 512B RAM.
  • 256B EEPROM for non-volatile data storage.
  • 23 I/O pins with multiple serial interfaces.
  • 6-channel 10-bit ADC for analog sensing.

ATMEGA48-20PU Applications

  • Used in embedded control and automation systems.
  • Ideal for sensor interfacing and data logging.
  • Suitable for motor control with PWM outputs.
  • Applicable in industrial and consumer electronics.

ATMEGA48-20PU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA48-20PU?

The operating voltage range is 2.7V to 5.5V.

What is the operating temperature range of the ATMEGA48-20PU?

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

What package does the ATMEGA48-20PU come in?

It comes in a 28-pin PDIP package (28-DIP, 0.300 inch width).

What is the program memory size of the ATMEGA48-20PU?

It has 4KB of Flash program memory.

How many I/O pins does the ATMEGA48-20PU have?

It has 23 I/O pins.

What serial interfaces are available on the ATMEGA48-20PU?

It supports I2C, SPI, and UART/USART interfaces.

Does the ATMEGA48-20PU have an analog-to-digital converter?

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

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