参数资料
型号: YMF724F
厂商: Yamaha Corporation
英文描述: high performance audio controller for the PCI Bus
中文描述: 高性能音频控制器的PCI总线
文件页数: 22/50页
文件大小: 268K
代理商: YMF724F
YMF724F
January 14, 1999
-29-
2-1. FM Synthesizer Block
FM Synthesizer Block is register compatible with YMF289B.
However, Power Management register
has been deleted because it is now controlled by the PCI Configuration Register.
The following shows the FMBase I/O map of FM Synthesizer.
FMBase
(R)
Status Register port
FMBase
(W)
Address port for Register Array 0
FMBase+1
(R/W)
Data port
FMBase+2
(W)
Address port for Register Array 1
FMBase+3
(R/W)
Data port
The default FMBase value is 0x0388.
The following shows the FM Synthesizer Block registers.
2-1-1. Status Register
FM Synthesizer Status Register (RO):
Address
D7
D6D5D4
D3D2
D1D0
xxh
IRQ
FT1
FT2
-
BUSY
-
BUSY
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