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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Tray |
Core Processor AVR
Core Size 8-Bit
Speed 12MHz
Connectivity I2C, SPI
Peripherals Brown-out Detect/Reset, POR, WDT
Number of I/O 28
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 64 x 8
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°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 Microchip ATTINY48-AU is a reliable 8-bit AVR MCU with a 12MHz core. It features 4KB flash and 256B RAM in a 32-TQFP package. With a 1.8V-5.5V supply range and built-in safety features, it is designed for cost-sensitive control applications.

  • Robust safety features: Brown-out Reset and WDT prevent system lockups.
  • 32-pin TQFP package: Provides more I/O for complex interfaces.
  • Wide voltage range: Simplifies integration with various power rails.
  • Proven AVR architecture: Extensive documentation and community support.

Home Appliance Control Panels

The 32-TQFP package offers enough I/O for buttons and displays, while 12MHz speed handles user interface logic.

Industrial Timer Modules

With WDT and Brown-out Reset, it ensures fail-safe operation in industrial timing applications.

Automotive Aftermarket Sensors

Wide temperature range and 5.5V operation make it suitable for engine bay sensors.

Simple Robotics Controllers

4KB flash is enough for basic motor sequencing and obstacle avoidance algorithms.

Power Supply Monitoring

Its voltage range allows direct monitoring of 3.3V and 5V rails without level shifters.

Educational Kits

The TQFP package is easy to solder, and the AVR architecture is well-documented for learning.

Q: What is the maximum speed of the ATTINY48-AU?
A: It operates at up to 12MHz, suitable for moderate-speed control tasks.
Q: How much flash memory does it have?
A: It provides 4KB of flash memory, organized as 2K x 16 bits.
Q: What is the supply voltage range?
A: It works from 1.8V to 5.5V, compatible with common logic levels.
Q: Does it include a brown-out detector?
A: Yes, it has Brown-out Detect/Reset and a watchdog timer for enhanced reliability.
Base Product Number : ATTINY48
12MHz 256B RAM 4KB Flash 8-bit AVR Appliance ATTINY48 AVR core Industrial TQFP-32 WDT
Q: What is the maximum speed of the ATTINY48-AU?
A: It operates at up to 12MHz, suitable for moderate-speed control tasks.
Q: How much flash memory does it have?
A: It provides 4KB of flash memory, organized as 2K x 16 bits.
Q: What is the supply voltage range?
A: It works from 1.8V to 5.5V, compatible with common logic levels.
Q: Does it include a brown-out detector?
A: Yes, it has Brown-out Detect/Reset and a watchdog timer for enhanced reliability.