参数资料
型号: YMF754
厂商: Yamaha Corporation
英文描述: DS-1E
中文描述: 副秘书长至1E
文件页数: 27/60页
文件大小: 305K
代理商: YMF754
YMF754
June 28, 1999
-33-
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 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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