AY-3-8910 — Programmable Sound Generator
General Instrument © 1978
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Tone Gen A R0–R1
Tone Gen B R2–R3
Tone Gen C R4–R5
Noise Gen R6
Envelope R11–R13
I/O Port A — Interactive Bus Interface R14 (IOA7–IOA0)
Mixer R7
D/A
Ch.A
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40-PIN DIP — fCLOCK 1.7897725 MHz ACTIVE