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AVR · tinyAVR

ATtiny44A

8-bit AVR · tinyAVR · avr25 · signature 1E 92 07

The ATtiny44A is an 8-bit tinyAVR microcontroller from Microchip with 4 KB of flash, 256 B of SRAM, 256 B of EEPROM, running up to 20 MHz from 1.8 to 5.5 V, with 12 I/O pins and 17 interrupt vectors. It comes in BGA-16, QFN-20, SOIC-14.

Flash4 KB
SRAM256 B
EEPROM256 B
Clock20 MHz
I/O pins12
Vectors17

Timers

16-bit1
8-bit1
PWM pins4
Watchdogyes

Analog

ADC inputs8
Comparator1

Communication

USI1

Power & clock

Supply1.8 – 5.5 V
Max clock20 MHz
Sleep modes4

Packages

BGA-1615 pins
QFN-2014 pins
SOIC-1414 pins

Explore the ATtiny44A

Pinout3 packages, every pin and its functions Memory mapFlash, SRAM, EEPROM and the registers, at their addresses Registers55 registers with every bit InterruptsThe 17-vector table Peripherals10 blocks with their registers and pins Fuses & lock bitsCalculator with the factory defaults