EM73880 Datasheet (ELAN Microelectronics Corp)

EM73880, 4-BIT MICRO-CONTROLLER

EM73880 is an advanced single chip CMOS 4-bit micro-controller.

It contains 8K-byte ROM, 244-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernel function.

EM73880 also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD di

EM73880 Features

* Operation voltage

* Clock source

* : 2.4V to 3.6V. : Dual clock system. Low-frequency oscillator (32.768 KHz) could be Crystal or RC oscillator high-frequency oscil