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YMF744B
February 3, 1999
-8-
BLOCK DIAGRAM
PCI Side Band
PC/PCI
S-IRQ
Audio
Function
Config
Register
PCI
Interface
Legacy Audio
FM Synthesizer
SB Pro
D-DMA Engine
MPU401
Joystick
PCI Bus Master
DMA Controller
PCI Native Audio
XG Synthesizer
DirectSound Acc.
Wave In/Out
ZV Port
SRC
Sampling
Converter
SPDIF
Output
AC-Link
Interface
Revision2.1
SPDIF Input
Se
le
c
tor
GPIO
EEPROM I/F