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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Tray |
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 32-VQFN (5x5)
Package / Case 32-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA48PA-MN from Microchip Technology is an 8-bit AVR microcontroller operating at up to 20MHz. It features 4KB flash and 512 bytes RAM in a 32-VFQFN package. With a supply range of 1.8V to 5.5V and an extended temperature range of -40°C to 105°C, it is a versatile choice for industrial and automotive applications.

  • Wide voltage range (1.8-5.5V): Simplifies design across 3.3V and 5V logic systems.
  • High temperature tolerance (105°C): Reliable in under-hood and industrial environments.
  • 20MHz AVR core: Fast execution for real-time control and communication protocols.
  • Compact 32-VFQFN package: Reduces board space while providing exposed pad for cooling.

Automotive Body Electronics

With 105°C rating and 5.5V operation, it handles window lift or mirror control modules.

Industrial Automation Sensors

20MHz speed and PWM enable fast response in proximity sensors and encoders.

Consumer Appliances

4KB flash is ideal for washing machine timers or microwave control panels.

Power Tools

Wide voltage range tolerates battery voltage sag, while robust I/O drives MOSFETs.

HVAC Controllers

Brown-out detection ensures reliable operation in compressor control units.

Smart Agriculture Nodes

Low power modes and wide temp range suit outdoor soil moisture monitors.

Q: What is the maximum operating frequency?
A: 20MHz with the AVR core.
Q: What is the supply voltage range?
A: 1.8V to 5.5V, supporting both 3.3V and 5V systems.
Q: How much flash memory does it have?
A: 4KB (2K x 16) of program memory.
Q: What is the operating temperature range?
A: -40°C to 105°C, suitable for automotive and industrial.
Q: What package is available?
A: 32-VFQFN Exposed Pad for compact, thermally efficient designs.
Base Product Number : ATMEGA48PA
20MHz 4KB flash 5V tolerant 8-bit MCU automotive AVR brown-out industrial PWM VFQFN-32
Q: What is the maximum operating frequency?
A: 20MHz with the AVR core.
Q: What is the supply voltage range?
A: 1.8V to 5.5V, supporting both 3.3V and 5V systems.
Q: How much flash memory does it have?
A: 4KB (2K x 16) of program memory.
Q: What is the operating temperature range?
A: -40°C to 105°C, suitable for automotive and industrial.
Q: What package is available?
A: 32-VFQFN Exposed Pad for compact, thermally efficient designs.