参数资料
型号: YMF754-V
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP128
封装: 0.50 MM PITCH, LQFP-128
文件页数: 27/60页
文件大小: 309K
代理商: YMF754-V
YMF754
December 25, 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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