name: AT90S2313 function: Microcontroller package: SOIC,PDIP,20 manufacturer: Atmel added-by: Ulf Samuelsson comment: 2kB ISP Flash,128 RAM,128 EE +--()--+ /RESET | 1 20| VCC (RXD) PD0 | 2 19| PB7 (SCK) (TXD) PD1 | 3 18| PB6 (MISO) XTAL1 | 4 17| PB5 (MOSI) XTAL2 | 5 16| PB4 (INT0) PD2 | 6 15| PB3 (OC1) (INT1) PD3 | 7 14| PB2 (T0) PD4 | 8 13| PB1 (AIN1) (T1) PD5 | 9 12| PB0 (AIN0) GND |10 11| PD6 +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/