– CPU : Operable at a minimum bus cycle time of 0.5μs (microsecond) – On-chip ROM maximum capacity : 48K bytes – On-chip RAM capacity: 1152 bytes(LC866548A/40A/32A) :896 bytes(LC866528A/24A) – VFD automatic display controller/driver – 16-bit timer/counter (or two 8-bit timers) – 16-bit timer/ PWM (or two 8-bit timers) – 8-channels×8 bit AD Converter – Two 8-bit synchronous serial-interface circuits (1-channel×16 bit, 1-channel×8 bit) – 14-source 10-vectored interrupt system