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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-TQFP (7x7)
Package / Case 32-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA48PA-AN from Microchip Technology is a classic 8-bit AVR microcontroller known for its simplicity and reliability. It operates at up to 20MHz and offers 4KB Flash and 512 bytes of RAM. The supply voltage range of 1.8V to 5.5V makes it flexible for various power sources. It includes brown-out detection, POR, PWM, and WDT for robust operation. The 32-TQFP package is suitable for moderate-density designs. This MCU is widely used in education, hobby projects, and simple industrial controls due to its ease of use and extensive community support.

  • Ease of Programming: AVR architecture and Arduino support reduce development time.
  • Low Cost: Affordable for high-volume production and educational use.
  • Wide Voltage Range: Works with 3.3V and 5V systems without level shifting.
  • Proven Reliability: Long-standing design with robust reset and watchdog features.

Simple Embedded Control

With 4KB Flash, it is ideal for basic control tasks like relay switching and LED blinking.

Sensor Reading

Its analog-to-digital converter can read temperature, light, or pressure sensors in hobbyist projects.

Educational Kits

Low cost and easy programming make it perfect for learning microcontroller fundamentals.

Small Appliances

Can manage timers and PWM for coffee makers, toasters, and other household devices.

Battery-Powered Gadgets

Low power consumption and wide voltage range support portable electronics.

Prototyping

Compatible with Arduino environment, enabling rapid prototyping of new ideas.

Q: What is the core architecture of the ATMEGA48PA-AN?
A: It uses the AVR 8-bit core.
Q: What is the maximum operating frequency?
A: It runs at up to 20MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: How much Flash and RAM does it have?
A: It has 4KB Flash and 512 bytes of RAM.
Q: What package is available?
A: It comes in a 32-TQFP package.
Base Product Number : ATMEGA48PA
20MHz 4KB Flash 512B RAM 8-bit MCU AVR education hobbyist low cost PWM TQFP-32 WDT
Q: What is the core architecture of the ATMEGA48PA-AN?
A: It uses the AVR 8-bit core.
Q: What is the maximum operating frequency?
A: It runs at up to 20MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: How much Flash and RAM does it have?
A: It has 4KB Flash and 512 bytes of RAM.
Q: What package is available?
A: It comes in a 32-TQFP package.