EM73983 Description
EM73983 is an advanced single chip CMOS 4-bit micro-controller. It contains 16K-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. EM73983 also equipped with 6 interrupt sources, 3 I/O ports (including 1 input port and 2 bidirection ports), LCD display (40x8), built-in sound generator and speech synthesizer.
EM73983 Key Features
- Operation voltage
- 2 input interrupt sources. Internal interrupt
- This specification are subject to be changed without notice