Intel D8748-8 OEM/tray microcontroller, 64×8 UV EPROM used ICs from NEC and Intel. Frequency 3.6 MHz.
Package 40-pin ceramic DIP
Socket DIP40
Manufacturing process N-channel silicon-gate MOS process
Data width 8 bits
Physical memory 4 KB program memory
On-chip peripherals: 27 I/O lines
8-bit timer/counter
clock oscillator
On-chip RAM 64 bytes
On-chip ROM 1 KB EPROM