PIC1654, PIC1656, PIC1658 (DIP) MicroChip PIC microcontrollers. +----------+ RA2 |1 +--+ 18| RA1 RA3 |2 17| RA0 RTCC |3 16| X1 /RST |4 PIC 15| X0 GND |5 16C54 14| VCC RB0 |6 16C56 13| RB7 RB1 |7 16C58 12| RB6 RB2 |8 11| RB5 RB3 |9 10| RB4 +----------+ [This information is part of the GIICM] PIC1654, PIC1656, PIC1658 (SO) MicroChip PIC microcontrollers. +----------+ RA2 |1 +--+ 20| RA1 RA3 |2 19| RA0 RTCC |3 18| X1 /RST |4 PIC 17| X0 GND |5 16C54 16| VCC GND |6 16C55 15| VCC RB0 |7 16C58 14| RB7 RB1 |8 13| RB6 RB2 |9 12| RB5 RB3 |10 11| RB4 +----------+ [This information is part of the GIICM]