EM73461B Datasheet (ELAN Microelectronics Corp)

EM73461B, 4-BIT MICRO-CONTROLLER

EM73461B is an advanced single chip CMOS 4-bit micro-controller.

It contains 4K/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.

EM73461B also contains 6 interrupt sources, 1 input port, 2 bidirection ports, L

EM73461B Features

* Operation voltage

* Clock source : 2.4V to 3.6V. : Dual clock system. Low-frequency oscillator is Crystal or RC oscillator (32K Hz, connect an external resistor) by mask option and high-frequency oscillator is RC oscillator (connect an external resistor), or built-in internal oscil