ATtiny20 Atmel Corporation, ATtiny20 Datasheet - Page 2

• Manufacturer Part Number: ATtiny20
• Manufacturer: Atmel Corporation

Specifications of ATtiny20

• Flash (kbytes): 2 Kbytes
• Pin Count: 14
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 5
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 12
• Ext Interrupts: 12
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.12
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 3
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

1. Pin Configurations
1.1
1.1.1
1.1.2
2
Pin Description
ATtiny20
VCC
GND
Figure 1-1.
Table 1-1.
Supply voltage.
Ground.
(PCINT10/INT0/MISO/OC1B/OC0A/CKOUT) PB2
A
B
C
D
(PCINT7/SCL/SCK/T1/ICP1/OC0B/ADC7) PA7
(PCINT9/TPIDATA/MOSI/SDA/OC1A) PB1
NOTE
Bottom pad should be
soldered to ground.
DNC: Do Not Connect
PA4
PA3
PA0
Pinout of ATtiny20
Pinout ATtiny20 in UFBGA.
(PCINT2/AIN1/ADC2) PA2
(PCINT1/AIN0/ADC1) PA1
(PCINT8/TPICLK/T0/CLKI) PB0
1
(PCINT0/ADC0) PA0
(PCINT4/ADC4) PA4
(PCINT3/ADC3) PA3
(PCINT6/SS/ADC6) PA6
(PCINT11/RESET) PB3
GND
PA5
PA7
PA2
2
VCC
1
2
3
4
5
SOIC/TSSOP
1
2
3
4
5
6
7
VQFN
GND
PB1
PA6
PA1
3
14
13
12
11
10
9
8
15
14
13
12
11
GND
PA0 (ADC0/PCINT0)
PA1 (ADC1/AIN0/PCINT1)
PA2 (ADC2/AIN1/PCINT2)
PA3 (ADC3/PCINT3)
PA4 (ADC4/PCINT4)
PA5 (ADC5/PCINT5)
Pin 16: PA6 (ADC6/SS/PCINT6)
Pin 17: PA5 (ADC5/PCINT5)
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)
VCC
PB2
PB3
PB0
4
8235BS–AVR–04/11