ASM0406C Overview
The ASM0406C is very low cost voice synthesizer with 4-bit microprocessor.
ASM0406C Key Features
- 64 x 4-bit data RAM (00-1Fh plus 40h-5Fh)
- Unbanked special function registers (SFR) range: 20h-3Fh I/O Ports
- PRA: 4-bit I/O Port A (2Bh)
- PRB: 2-bit Output Port B (2Dh) On-chip clock generator: Resistive Clock Drive(RM) Timer: 1
- Timer0: a 9-bit auto-reload timer/counter Stack: 2-level subroutine nesting HALT and Release from HALT function to reduc
- One 8-bit COUT output for ASMxxxxx