EM73C63 Datasheet (ELAN Microelectronics Corp)

EM73C63, 4-BIT MICRO-CONTROLLER

EM73C63 is an advanced single chip CMOS 4-bit micro-controller.

It contains 32K-byte ROM, 500-nibble RAM, 4-bit ALU, 13-level subroutine nesting, 22-stage time base, two 12-bit timer/counters for the kernel function.

EM73C63 is also equipped with 5 interrupt sources, 3 I/O ports (including 1 input p

EM73C63 Features

* Operation voltage

* Clock source : 2.4V to 5.5V. : Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32KHz, connect a external resistor) by mask option and high-frequency oscillator is RC oscillator (connect a external resistor and a capacitor). External cloc