ATTINY261-15MAZ View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATTINY261-15MAZ

8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash

Atmel Corporation 

1. Pin Configurations

Figure 1-1. Pinout ATtiny261/461/861

SOIC / TSSOP

(MOSI/DI/SDA/OC1A/PCINT8) PB0 1

(MISO/DO/OC1A/PCINT9) PB1 2

(SCK/USCK/SCL/OC1B/PCINT10) PB2 3

(OC1B/PCINT11) PB3 4

VCC 5

GND 6

(ADC7/OC1D/CLKI/XTAL1/PCINT12) PB4 7

(ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5 8

(ADC9/INT0/T0/PCINT14) PB6 9

(ADC10/RESET/PCINT15) PB7 10

20 PA0 (ADC0/DI/SDA/PCINT0)

19 PA1 (ADC1/DO/PCINT1)

18 PA2 (ADC2/INT1/USCK/SCL/PCINT2)

17 PA3 (AREF/PCINT3)

16 AGND

15 AVCC

14 PA4 (ADC3/ICP0/PCINT4)

13 PA5 (ADC4/AIN2/PCINT5)

12 PA6 (ADC5/AIN0/PCINT6)

11 PA7 (ADC6/AIN1/PCINT7)

NC 1

(OC1B/PCINT11) PB3 2

NC 3

VCC 4

GND 5

NC 6

(ADC7/OC1D/CLKI/XTAL1/PCINT12) PB4 7

(ADC8/OC1D/CLKO/XTAL2/PCINT13) PB5 8

QFN/MLF

24 NC

23 PA2 (ADC2/INT1/USCK/SCL/PCINT2)

22 PA3 (AREF/PCINT3)

21 AGND

20 NC

19 NC

18 AVCC

17 PA4 (ADC3/ICP0/PCINT4)

Note: The large center pad underneath the QFN/MLF package should be soldered to ground on the board to ensure good mechanical

stability.

2 ATtiny261/ATtiny461/ATtiny861

7753C–AVR–07/09

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