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YM3439 Datasheet - YAMAHA

YM3439-YAMAHA.pdf

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Datasheet Details

Part number:

YM3439

Manufacturer:

YAMAHA

File Size:

2.50 MB

Description:

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.

Register compatible with YM2149 (SSG) .

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