ymf754 ETC-unknow, ymf754 Datasheet - Page 33
ymf754
Manufacturer Part Number
ymf754
Description
Ds-1e
Manufacturer
ETC-unknow
Datasheet
1.YMF754.pdf
(60 pages)
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YMF754
2-1. FM Synthesizer Block
2-1-1. Status Register
FM Synthesizer Status Register (RO):
Address
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.
The following shows the FM Synthesizer Block registers.
xxh
FMBase
FMBase
FMBase+1
FMBase+2
FMBase+3
IRQ
D7
FT1
D6
(R)
(W)
(R/W)
(W)
(R/W)
FT2
D5
Status Register port
Address port for Register Array 0
Data port
Address port for Register Array 1
Data port
D4
-
-33-
D3
-
BUSY
D2
D1
-
BUSY
D0
June 28, 1999