YM3439 Datasheet (YAMAHA) - Software-Controlled Sound Generator

YM3439, Software-Controlled Sound Generator

l !'in name 1/0 vss CHB I0 CHA 0 Ground CHANNEL 8 DAC OUTPUT CHANNEL A DAC OUTPUT Fund ion 10137 1+10 I !O PORT 8 MSB !086 1+10 I IO PORT 8 bit6 1085 I+ IO IIO PORT 8 bit5 !OB-! I+ IO I/O PORT B bit-! 1083 I+ !O I/O PORT B bit3 1082 1+10 I !O PORT B bit2 IO Bl I+ !O I!O PORT B

VAMAHA"L~I YM3439 Software-Controlled Sound Generator (SSGC) OUTLINE Yl13-139 (SSGC) is a sound source LSI thaL controlled by micro-processor.

This LSI incorporaLes three squure wave generators, one noise generaLor and a envelope genernlor, which enables melody and effect sound generation.

The LSI is made by CMOS process , and is comp'1tilile wilh Yl121-1~ (SSG).

II FEATUHES Low power consumption of CMOS process.