EM73201 Overview
Description
EM73201 is an advanced single chip CMOS 4-bit micro-controller. It contains 2K-byte ROM, 52-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, one 12-bit timer/counter for the kernel function.
Key Features
- Instruction set : 109 powerful instructions
- Instruction cycle time : Up to 2µs for 4.19MHz
- ROM capacity : 2048 x 8 bits
- RAM capacity : 52 x 4 bits
- Input port : 1 port (P0)
- Output port : 1 port (P1)
- Bidirection I/O port : 2 ports (P7,P8)
- 12-bit timer/counter : One 12-bit timer/counter is programmable for timer, even counter and pulse width measurement mode
- Built-in time base counter : 22 stages
- Subroutine nesting : Up to 13 levels