AI Interactive Datasheet ATtiny261
AVR · tinyAVR

ATtiny261

8-bit AVR · tinyAVR · avr25 · signature 1E 91 0C

The ATtiny261 is an 8-bit tinyAVR microcontroller from Microchip with 2 KB of flash, 128 B of SRAM, 128 B of EEPROM, running up to 20 MHz from 1.8 to 5.5 V, with 16 I/O pins and 19 interrupt vectors. It comes in QFN-32, SOIC-20.

Flash2 KB
SRAM128 B
EEPROM128 B
Clock20 MHz
I/O pins16
Vectors19

Timers

8-bit2
PWM pins6
Watchdogyes

Analog

ADC inputs11
Comparator1

Communication

USI1

Power & clock

Supply1.8 – 5.5 V
Max clock20 MHz
Sleep modes4

Packages

QFN-3220 pins
SOIC-2020 pins

Explore the ATtiny261

Pinout2 packages, every pin and its functions Memory mapFlash, SRAM, EEPROM and the registers, at their addresses Registers63 registers with every bit InterruptsThe 19-vector table Peripherals10 blocks with their registers and pins Fuses & lock bitsCalculator with the factory defaults