.... Integrated Circuit - P8243 by Intel, 8-bit IO expander

.... Integrated Circuit - DP8212N, 8-bit I/O port

.... Integrated Circuit - ICM7217A is a 4-digit presettable up/down counter

.... Integrated Circuit - NM232C (an RS232) Transmitter/Receiver

.... Integrated Circuit - PIC16C74 A/JW by Microchip, EPROM based (3)

.... Integrated Circuit - PIC16C74 A/JW by Microchip, EPROM based

1 x Microchip PIC18F46K22-I/P 8bit PIC Microcontroller 64MHz 64 kB Flash 40-Pin

.... Integrated Circuit - PIC16C74 A/JW by Microchip, EPROM based (2)