Description
The CXP402 is a CMOS 4-bit single chip microcomputer which consists of 4-bit CPU, ROM, RAM, 8-bit timer, 8-bit timer/counter, 18-bit time-base timer, LCD controller/driver, digital signal processor circuit for CD player, 1-bit DAC and the like.
Features
- Instruction cycle 1.89µs for 16.93MHz oscillation.
- ROM capacity 6144 × 8 bits.
- RAM capacity 400 × 4 bits (Including stack and display area).
- LCD controller/driver (Enables to direct drive).
- 8-bit timer, 8-bit timer/event counter and 18-bit time-base timer are incorporated; they are independently controllable.
- Arithmetic and logical operations between the entire RAM area, I/O area and the accumulator by means of the memory mapped I/O.
CXP402_SonyCorporation.pdf
