参数资料
型号: YMF744B
厂商: Electronic Theatre Controls, Inc.
英文描述: DS-1S
中文描述: 的DS - 1秒
文件页数: 18/60页
文件大小: 303K
代理商: YMF744B
YMF744B
February 3, 1999
-25-
4E-4Fh: DS-1S Power Control 2
Read / Write
Default: 0000h
Access Bus Width: 8, 16, 32-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
-
PSHWV
PSIO
PSACL PSDIR
PSDIT
PSZV
PSSRC PSPCA PSJOY PSMPU
PSSB
PSFM
CMCD
b0................CMCD: CODEC Master Clock Disable
Setting this bit to “1” disables the oscillation of the CMCLK.
To stop a clock, when the CMCLK is
supplied to the AC’97, it is required that b13:PR5 bit of 4A-4Bh register is set to “1”.
(If the Secondary
AC’97 is used, it is also necessary that b5:SPR5 bit of 5A-5Bh register is set to “1”.)
“0”: Normal
(default)
“1”: Disable
b1................PSFM: Power Save FM Synthesizer
Setting this bit to “1” stops a clock supplied to the FM synthesizer block.
“0”: Normal
(default)
“1”: Disable
b2................PSSB: Power Save Sound Blaster
Setting this bit to “1” stops a clock supplied to the Sound Blaster block.
“0”: Normal
(default)
“1”: Disable
b3................PSMPU: Power Save MPU401
Setting this bit to “1” stops a clock supplied to the MPU401 block.
“0”: Normal
(default)
“1”: Disable
b4................PSJOY: Power Save Joystick
Setting this bit to “1” disables the comparator of the Joystick block.
“0”: Normal
(default)
“1”: Disable
b5................PSPCA: Power Save PCI Audio
Setting this bit to “1” stops a clock supplied to the PCI Audio block.
“0”: Normal
(default)
“1”: Disable
b6................PSSRC: Power Save SRC
Setting this bit to “1” stops a clock supplied to the SRC block.
“0”: Normal
(default)
“1”: Disable
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