ATtiny2313 20-Pin 8-Bit AVR Microcontroller
20-pin low-power CMOS 8-bit AVR microcontroller with 2KB In-System Programmable Flash, 128 bytes EEPROM, 128 bytes SRAM, full duplex USART, and SPI master/slave.
Aliase:ATtiny2313A, ATtiny2313V, 20-Pin AVR
DIP-20 Top View
20 Pins
Pinout Table20
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | PA2 (~RESET) | Digital | Port A Bit 2 / Master Reset (Active Low) / debugWIRE |
| 2 | PD0 (RXD) | Digital | Port D Bit 0 / USART Receive Data Input |
| 3 | PD1 (TXD) | Digital | Port D Bit 1 / USART Transmit Data Output |
| 4 | PA1 (XTAL2) | Digital | Port A Bit 1 / Crystal Oscillator Pin 2 |
| 5 | PA0 (XTAL1) | Digital | Port A Bit 0 / Crystal Oscillator Pin 1 / Clock Input |
| 6 | PD2 (INT0) | Digital | Port D Bit 2 / External Interrupt 0 |
| 7 | PD3 (INT1) | Digital | Port D Bit 3 / External Interrupt 1 |
| 8 | PD4 (T0) | Digital | Port D Bit 4 / Timer 0 Clock Input |
| 9 | PD5 (OC0B/T1) | Digital | Port D Bit 5 / Timer 0 Compare Match B / Timer 1 Clock |
| 10 | GND | Ground | System Ground (0V) |
| 11 | PD6 (ICP) | Digital | Port D Bit 6 / Timer 1 Input Capture Pin |
| 12 | PB0 (AIN0) | Analog | Port B Bit 0 / Analog Comparator Positive Input |
| 13 | PB1 (AIN1) | Analog | Port B Bit 1 / Analog Comparator Negative Input |
| 14 | PB2 (OC0A) | Digital | Port B Bit 2 / Timer 0 Compare Match A |
| 15 | PB3 (OC1A) | Digital | Port B Bit 3 / Timer 1 Compare Match A Output |
| 16 | PB4 (OC1B) | Digital | Port B Bit 4 / Timer 1 Compare Match B Output |
| 17 | PB5 (MOSI) | Digital | Port B Bit 5 / SPI Master Out Slave In / USI Data Input |
| 18 | PB6 (MISO) | Digital | Port B Bit 6 / SPI Master In Slave Out / USI Data Output |
| 19 | PB7 (SCK) | Digital | Port B Bit 7 / SPI Serial Clock / USI Clock |
| 20 | VCC | Power | Supply Voltage (+1.8V to +5.5V) |