Microchip Technology ATMEGA48PA-MMN

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Tray | NULL
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 23
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 28-VQFN (4x4)
Package / Case 28-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATMEGA48PA-MMN is an 8-bit AVR microcontroller with a 20MHz core, housed in a 28-VFQFN package. It provides 4KB flash and 512B RAM, operating from 1.8V to 5.5V. Designed for extended temperature ranges (-40°C to 105°C), it includes Brown-out Detect, POR, PWM, and WDT for demanding environments.

  • Extended temperature range: -40°C to 105°C for harsh environments.
  • High speed for its class: 20MHz enables faster response times.
  • Robust reset features: Brown-out and POR improve reliability.
  • Compact 28-VFQFN: Fits into space-limited industrial designs.

Automotive Control Modules

The -40°C to 105°C range makes it suitable for engine bay sensors and actuators.

Industrial Automation

4KB flash and 512B RAM handle simple PLC I/O modules and sensor interfaces.

Power Tools

PWM controls motor speed, while WDT ensures safe operation under vibration.

HVAC Controllers

Reliable operation in high-temperature environments for furnace or boiler controls.

Robotics

Small size and 20MHz speed enable servo control in hobby robots.

Smart Agriculture

Monitors soil moisture and controls irrigation valves in harsh outdoor conditions.

Q: What is the core processor?
A: AVR 8-bit.
Q: What is the maximum speed?
A: 20MHz.
Q: What is the program memory size?
A: 4KB (2K x 16).
Q: What is the operating temperature range?
A: -40°C to 105°C.
Base Product Number : ATMEGA48PA
20MHz 28-VFQFN 4KB Flash 512B RAM 8-bit Automotive AVR Brown-out Detect Industrial MCU POR PWM WDT
Q: What is the core processor?
A: AVR 8-bit.
Q: What is the maximum speed?
A: 20MHz.
Q: What is the program memory size?
A: 4KB (2K x 16).
Q: What is the operating temperature range?
A: -40°C to 105°C.