参数资料
型号: YMF715E-S
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封装: SQFP-100
文件页数: 32/53页
文件大小: 455K
代理商: YMF715E-S
YMF715E
May 21, 1998
-38-
Sound Blaster compatibility Internal State Scan out/in (R/W):
Index
D7
D6
D5
D4
D3
D2
D1
D0
10h
SBPDA
-
SS
SM
SE
SBPDR
SBPDA...
Sound Blaster Power Down Acknowledgment: “1” in SBPDA acknowledges
that OPL3-SA3 is ready for scanning internal state data in/out or for power
down operation. This flag is read-only.
SS...
Scan Select : Set “1” in this bit when reading or writing internal state.
Set “0” for normal operation.
SM...
Scan Mode : Setting “1” in this bit means the internal state’s are read(out).
Set “0” for write(in).
SE...
Scan Enable : “1” to “0” transition in this bit clocks the shifting internal state
scan data out 1-bit at a time.
SBPDR...
Sound Blaster Power Down Request : “1” in this bit inhibits further DMA
requests and have the internal state begin shutdown procedure. “1” in
SBPDA signals the shutdown procedure completion.
default : 00h
Sound Blaster compatibility Internal State Scan Data (R/W):
Index
D7
D6
D5
D4
D3
D2
D1
D0
11h
SCAN DATA
SCAN DATA... Data port for internal state scan data in/out.
default : 00h
Notice)
The Sound Blaster compatibility internal state scan out/in sequence are shown in the
following Fig.9-1.
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