Datasheet

2
ATtiny40 [SUMMARY DATASHEET]
8263BS–AVR–01/2013
1. Pin Configurations
Figure 1-1. Pinout of ATtiny40
(PCINT8/ADC8) PB0
(PCINT7/ADC7) PA7
(PCINT6/ADC6) PA6
(PCINT5/ADC5/OC0B) PA5
(PCINT4/ADC4/T0) PA4
(PCINT3/ADC3) PA3
(PCINT2/ADC2/AIN1) PA2
(PCINT1/ADC1/AIN0) PA1
(PCINT0/ADC0) PA0
GND
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
PB1 (ADC9/PCINT9)
PB2 (ADC10/PCINT10)
PB3 (ADC11/PCINT11)
PC0 (OC0A/SS/PCINT12)
PC1 (SCK/SCL/ICP1/T1/PCINT13)
PC2 (INT0/CLKO/MISO/PCINT14)
PC3 (RESET/PCINT15)
PC4 (MOSI/SDA/TPIDATA/PCINT16)
PC5 (CLKI/TPICLK/PCINT17)
VCC
SOIC/TSSOP
1
2
3
4
5
VQFN
15
14
13
12
11
20 19 18 17 16
6 7 8 9 10
(PCINT6/ADC6) PA6
(PCINT5/ADC5/OC0B) PA5
(PCINT4/ADC4/T0) PA4
(PCINT3/ADC3) PA3
(PCINT2/ADC2/AIN1) PA2
(PCINT1/ADC1/AIN0) PA1
(PCINT0/ADC0) PA0
GND
VCC
(PCINT17/CLKI/TPICLK) PC5
PC0 (OC0A/SS/PCINT12)
PC1 (SCK/SCL/ICP1/T1/PCINT13)
PC2 (INT0/CLKO/MISO/PCINT14)
PC3 (RESET/PCINT15)
PC4 (MOSI/SDA/TPIDATA/PCINT16)
PA7 (ADC7/PCINT7) PB0 (ADC8/PCINT8) PB1 (ADC9/PCINT9) PB2 (ADC10/PCINT10) PB3 (ADC11/PCINT11)
NOTE: Bottom pad should be soldered to ground.