YMF715E Просмотр технического описания (PDF) - Yamaha Corporation

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YMF715E

5.0/3.3V; OPL3-SA3 OPL3 single-chip audio system 3

Yamaha Corporation 

YMF715E

2. Master Clock

Both 33.8688MHz and 24.576MHz are used or 14.31818MHz and clock module

(ex.MK1420 by Micro Clock) are used.

3. OPL4-ML/ML2

The external DAC (YAC516) is necessary for wavetable upgrade.

(2) SEL=2 (Sound Card and Combo Card for Add-in)

RESETDRV

/IOW,/IOR

AEN

SA15-12

SA11-0

SD7-0

RESET

MP0

/IOW,/IOR

MP1

AEN

MP9-6 YMF715E-S

A11-0

D7-0

X24I

X33I

(OPL3-SA3)

AUX2L

AUX2R

} /MCS

MODEM I/F

MIRQ

MK1420

EEPROM

14.31818MHz

CLKO

RESET

BCO

LRO

XI

DO2

OPL4-ML/ML2

YAC516

1. OPL4-ML/ML2

The external DAC (YAC516) and the clock module (ex.MK1420 by Micro Clock) are

necessary for wavetable upgrade.

2. MK1420

The MK1420 is the clock module that generates all clocks necessary for this chipset . It is by

Micro Clock and its package is SOP8.

May 21, 1998

-9-

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