Yamaha OPL3-SA3 Stereo System User Manual


 
YMF715E
May 21, 1997
-9-
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)
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.
AEN
RESETDRV
YMF715E-S
(OPL3-SA3)
EEPROM
MK1420
YAC516
OPL4-ML/ML2
/
IOW,/IOR
RESET
AUX2L
AUX2R
XI
RXD
BCO
CLKO
DO2
LRO
RESET
/IOW,/IOR
A11-0
SA11-0
14.31818MHz
D7-0
X33I
X24I
SD7-0
MP0
MP1
/
MCS
MIRQ
MP3
MP2
TXD
MP5
TXD
33.8688MHz
24.576MHz
MP4
ROMDO
ROMDI
ROMCS
ROMCL
K
}
MODEM I/F
MP9-6
AEN
SA15-12