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YMF715E Просмотр технического описания (PDF) - Yamaha Corporation

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YMF715E Datasheet PDF : 53 Pages
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YMF715E
(4) SEL=4 (for Notebook PC)
SA15-12
AEN
RESETDRV
/IOW,/IOR
SA11-0
SD7-0
AEN*
AEN
MP2
MP3
RESET
MP4
/IOW,/IOR YMF715E-S MP5
A11-0 (OPL3-SA3) MP6
D7-0
MP7
MP8
BCLK_ZV
LRCK_ZV
SIN_ZV
/XRST
BCLK_ML
LRCK_ML
SIN_ML
} ZV Port
Peripheral
Equipment
/IOW,/IOR
SA2-0
SD7-0
RESET
/IOW OPL4- DO2
/IOR
A2-0
ML/ML2
LRO
D7-0
BCO
DBDIR
1. 16bit Address Decode
The signal AEN* generated by decoding SA15-12 and AEN needs to be connected to the
AEN of OPL3-SA3.
2. ZV Port and OPL4-ML/ML2 I/F
ZV port is supported by using the internal DAC of OPL3-SA3 that is originally dedicated for
the use of internal OPL3.
(i) either OPL4-ML/ML2 or ZV port is active at a time and simultaneous use is not
possible.
(ii) which function the internal DAC is used for is determined by the SA3 Control
register, index 02h, VZE bit.
May 21, 1998
-11-

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