ATTINY20 datasheet(2/220 Pages) ATMEL

Part #	ATTINY20

Description	8-bit AVR Microcntroller with 2K Bytes In-System Programmable Flash

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Manufacturer	ATMEL [ATMEL Corporation]

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ATtiny20 [DATASHEET]

8235E–AVR–03/2013

1.

Pin Configurations

1.1

SOIC & TSSOP

Figure 1-1.

SOIC/TSSOP

1.2

VQFN

Figure 1-2.

VQFN

1

2

3

4

5

6

7

14

13

12

11

10

9

8

VCC

(PCINT8/TPICLK/T0/CLKI) PB0

(PCINT9/TPIDATA/MOSI/SDA/OC1A) PB1

(PCINT11/RESET) PB3

(PCINT10/INT0/MISO/OC1B/OC0A/CKOUT) PB2

(PCINT7/SCL/SCK/T1/ICP1/OC0B/ADC7) PA7

(PCINT6/SS/ADC6) PA6

GND

PA0 (ADC0/PCINT0)

PA1 (ADC1/AIN0/PCINT1)

PA2 (ADC2/AIN1/PCINT2)

PA3 (ADC3/PCINT3)

PA4 (ADC4/PCINT4)

PA5 (ADC5/PCINT5)

1

2

3

4

5

15

14

13

12

11

NOTE

Bottom pad should be

soldered to ground.

DNC: Do Not Connect

PA7 (ADC7/OC0B/ICP1/T1/SCL/SCK/PCINT7)

PB2 (CKOUT/OC0A/OC1B/MISO/INT0/PCINT10)

PB3 (RESET/PCINT11)

PB1 (OC1A/SDA/MOSI/TPIDATA/PCINT9)

PB0 (CLKI/T0/TPICLK/PCINT8)

(PCINT4/ADC4) PA4

(PCINT3/ADC3) PA3

(PCINT2/AIN1/ADC2) PA2

(PCINT1/AIN0/ADC1) PA1

(PCINT0/ADC0) PA0

Similar Part No. - ATTINY20

Manufacturer	Part #	Datasheet	Description
ATMEL Corporation	ATTINY20	638Kb / 18P	8-bit Microcontroller with 2K Bytes In-System Programmable Flash
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