ATTINY40 查看數據表（PDF） - Atmel Corporation

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ATTINY40

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

Atmel Corporation 

1. Pin Configurations

Figure 1-1. Pinout of ATtiny40

SOIC/TSSOP

(PCINT8/ADC8) PB0 1

(PCINT7/ADC7) PA7 2

(PCINT6/ADC6) PA6 3

(PCINT5/ADC5/OC0B) PA5 4

(PCINT4/ADC4/T0) PA4 5

(PCINT3/ADC3) PA3 6

(PCINT2/ADC2/AIN1) PA2 7

(PCINT1/ADC1/AIN0) PA1 8

(PCINT0/ADC0) PA0 9

GND 10

20 PB1 (ADC9/PCINT9)

19 PB2 (ADC10/PCINT10)

18 PB3 (ADC11/PCINT11)

17 PC0 (OC0A/SS/PCINT12)

16 PC1 (SCK/SCL/ICP1/T1/PCINT13)

15 PC2 (INT0/CLKO/MISO/PCINT14)

14 PC3 (RESET/PCINT15)

13 PC4 (MOSI/SDA/TPIDATA/PCINT16)

12 PC5 (CLKI/TPICLK/PCINT17)

11 VCC

MLF/VQFN

(PCINT6/ADC6) PA6 1

(PCINT5/ADC5/OC0B) PA5 2

(PCINT4/ADC4/T0) PA4 3

(PCINT3/ADC3) PA3 4

(PCINT2/ADC2/AIN1) PA2 5

15 PC0 (OC0A/SS/PCINT12)

14 PC1 (SCK/SCL/ICP1/T1/PCINT13)

13 PC2 (INT0/CLKO/MISO/PCINT14)

12 PC3 (RESET/PCINT15)

11 PC4 (MOSI/SDA/TPIDATA/PCINT16)

NOTE: Bottom pad should be soldered to ground.

1.1 Pin Description

1.1.1 VCC

Supply voltage.

1.1.2 GND

Ground.

1.1.3 RESET

Reset input. A low level on this pin for longer than the minimum pulse length will generate a

reset, even if the clock is not running and provided the reset pin has not been disabled. The min-

imum pulse length is given in Table 21-4 on page 168. Shorter pulses are not guaranteed to

generate a reset.

The reset pin can also be used as a (weak) I/O pin.

2 ATtiny40

8263A–AVR–08/10

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