EM73461A - 4-BIT MICRO-CONTROLLER
EM73461A is an advanced single chip CMOS 4-bit micro-controller.
It contains 4K-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.
EM73461A also contains 6 interrupt sources, 1 input port, 2 bidirection ports, LCD
EM73461A 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). Instruction set : 109 powe
