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YMF744B
February 3, 1999
-8-
BLOCK DIAGRAM
PCI Side Band
PC/PCI
S-IRQ
Audio
Function
Confi
g
Re
g
ister
PCI
Interface
Le
g
ac
y
Audio
FM S
y
nthesizer
SB Pro
D-DMA En
g
ine
MPU401
Jo
y
stick
PCI Bus Master
DMA Controller
PCI Native Audio
XG S
y
nthesizer
DirectSound Acc.
Wave In/Out
ZV Port
SRC
Samplin
g
Converter
SPDIF
Output
AC-Link
Interface
Revision2.1
SPDIF Input
Selector
GPIO
EEPROM I/F