name: AT90S1200 function: 8 bit RISC microcontroller package: PDIP/SOIC/SSOP,20 manufacturer: ATMEL added-by: Mauricio Scaff +--()--+ RESET/ | 1 20| VCC PD0 | 2 19| PB7 (SCK) PD1 | 3 18| PB6 (MISO) XTAL2 | 4 17| PB5 (MOSI) XTAL1 | 5 16| PB4 PD2 (INT0) | 6 15| PB3 PD3 | 7 14| PB2 PD4 (T0) | 8 13| PB1 (AIN1) 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/ name: AT90S1200 function: 8-bit AVR Microcontroller package: DIP20,20 manufacturer: Atmel +--()--+ reset | 1 20| Vcc pd0 | 2 19| pb7 pd1 | 3 18| pb6 xtal2 | 4 17| pb5 xtal1 | 5 16| pb4 pd2 | 6 15| pb3 pd3 | 7 14| pb2 pd4 | 8 13| pb1 pd5 | 9 12| pb0 gnd |10 11| pd6 +------+ This pinout came from the Chipdir: http://www.chipdir.org/