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LM4560 数据表(PDF) 48 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM4560
功能描述  Advanced PCI Audio Accelerator
PDF  54 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM4560 数据表(HTML) 48 Page - National Semiconductor (TI)

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4.0 Functional Description (Continued)
Read/Write
Bit 7..3 32 level external line left volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX39 External Line Right Volume
Default 00h
Read/Write
Bit 7..3 32 level external line right volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX3A Microphone Volume
Default 00h
Read/Write
Bit 7..3 32 level microphone volume
Bit 2..0 reserved
0
mute
31
0 dB (maximum volume)
MX3B PC Speaker/Mono Input Volume
Default 00h
Read/Write
Bit 7,6
4 level PC Speaker/Mono input volume
Bit 5..0 reserved
0
mute
3
0 dB (maximum volume)
MX3C Output Mixer Control
Default 1Fh
Read/Write
Bit 7..5 reserved
Bit 4
external line left enable
Bit 3
external line right enable
Bit 2
CD-Audio left enable
Bit 1
CD-Audio right enable
Bit 0
microphone enable
0
mute
1
enable audio output
MX3D Input Mixer Left Control
Default 15h
Read/Write
Bit 7 reserved
Bit 6 music left enable
Bit 5 dummy read/write bit
Bit 4 external line left enable
Bit 3 dummy read/write bit
Bit 2 CD-Audio left enable
Bit 1 dummy read/write bit
Bit 0 microphone enable
0
mute
1
enable audio input
MX3E Input Mixer Right Control
Default 0Bh
Read/Write
Bit 7 reserved
Bit 6 dummy read/write bit
Bit 5 music right enable
Bit 4 dummy read/write bit
Bit 3 external line right enable
Bit 2 dummy read/write bit
Bit 1 CD-Audio right enable
Bit 0 microphone enable
0
mute
1
enable audio input
MX3F Input Left Mixer Gain
Default 00h
Read/Write
Bit 7,6
input left mixer gain control
Bit 5..0
reserved
Bit 7
Bit 6
0
0
gain = 1
0
1
gain = 2
1
0
gain = 4
1
1
gain = 8
MX40 Input Right Mixer Gain
Default 00h
Read/Write
Bit 7,6
input right mixer gain control
Bit 5..0 reserved
Bit 7
Bit 6
0
0
gain = 1
0
1
gain = 2
1
0
gain = 4
1
1
gain = 8
MX41 Output Left Mixer Gain
Default 00h
Read/Write
Bit 7,6
4 level output left mixer gain
Bit 5..0 reserved
Bit 7
Bit 6
0
0
gain = 1
0
1
gain = 2
1
0
gain = 4
1
1
gain = 8
MX42 Output Right Mixer Gain
Default 00h
Read/Write
Bit 7,6
4 level output right mixer gain
Bit 5..0 reserved
Bit 7
Bit 6
0
0
gain = 1
0
1
gain = 2
1
0
gain = 4
1
1
gain = 8
MX43 Microphone Automatic Gain Control (AGC)
Default 00h
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