EM73201 - ELAN Microelectronics Corp

EM73201 4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT

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. EM73201 also contains 5 interrupt sources, 4 I/O ports (including 1 input port, 1 output port for LED driving, 2 bidirection I/O ports) built-in w.

Features

• Operation voltage • Clock source • • • • • • • • • • • • • • • • : 2.4V to 6.0V (clock frequency: 32 KHz to 5 MHz) : Single clock system for RC , Crystal and external clock source, available by mask option. 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 count.