Free — Kc89c72 Datasheet

However , the datasheet emphasizes that /BC2 is typically tied high. If you need a more complex bus interface (like sharing with a Z80 CPU without additional glue logic), you can modulate /BC2.

The datasheet provides frequency calculation formulas: [ \textTone Period = \frac\textClock Frequency16 \times \textDesired Frequency - 1 ] kc89c72 datasheet

Based on available technical data from distributors like Veswin and Utsource , the KC89C72 features the following: However , the datasheet emphasizes that /BC2 is

While modern processors can simulate these sounds easily, the and programming instructions before production use.

Search the MCU vendor’s website or reputable electronics component distributors for "KC89C72 datasheet" and confirm package, electrical characteristics, timing diagrams, and programming instructions before production use.