參數(shù)資料
型號(hào)： LM4560VJD
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 消費(fèi)家電
英文描述： Advanced PCI Audio Accelerator
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： PLASTIC, TQFP-100
文件頁(yè)數(shù)： 47/54頁(yè)
文件大?。?/td> 380K
代理商： LM4560VJD
4.0 Functional Description
(Continued)
Bit 5
Bit 4..2 reserved
Bit 1
Bit 0
Output filter enable is dummy read/write bit for SB PRO com-
patibility.
Output filter enable: 0 - output low-pass filter on, 1 - off
Stereo switch: 1 - stereo output, 0 - mono output
Stereo switch is no use for SB ESP command Bxh and Cxh.
MX22 Master Volume
Default 88h
Write
Bit 7..4 16 level master left volume
Bit 3..0 16 level master right volume
Read
Bit 7..4 master left volume
Bit 3..0 master right volume
MX24 Digital Audio Volume
Default 88h
Write
Bit 7..4 16 level left digital audio volume
Bit 3..0 16 level right digital audio volume
Read
Bit 7..4 left digital audio volume
Bit 3..0 right digital audio volume
MX26 Music Volume
Default 88h
Write
Bit 7..4 16 level music left volume
Bit 3..0 16 level music right volume
Read
Bit 7..4 music left volume
Bit 3..0 music right volume
MX28 CD-Audio Volume
Default 00h
Write
Bit 7..4 16 level CD-Audio left volume
Bit 3..0 16 level CD-Audio right volume
Read
Bit 7..4 CD-Audio left volume
Bit 3..0 CD-Audio right volume
MX2E External Line Volume
Default 00h
Write
Bit 7..4 16 level external line-in left volume
Bit 3..0 16 level external line-in right volume
Read
Bit 7..4 external line-in left volume
Bit 3..0 external line-in right volume
output filter enable
stereo switch
reserved
4.2.1.20 SB16 Mixer Register
MX30 Master Left Volume
Default 90h
Read/Write
Bit 7..3 32 level master left volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX31 Master Right Volume
Default 90h
Read/Write
Bit 7..3 32 level master right volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX32 Digital Audio Left Volume
Default 90h
Read/Write
Bit 7..3 32 level digital audio left volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX33 Digital Audio Right Volume
Default 90h
Read/Write
Bit 7..3 32 level digital audio right volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX34 Music Left Volume
Default 90h
Read/Write
Bit 7..3 32 level music left volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX35 Music Right Volume
Default 90h
Read/Write
Bit 7..3 32 level music right volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX36 CD-Audio Left Volume
Default 00h
Read/Write
Bit 7..3 32 level CD-Audio left volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX37 CD-Audio Right Volume
Default 00h
Read/Write
Bit 7..3 32 level CD-Audio right volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX38 External Line Left Volume
Default 00h
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47
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