CMI9738 Datasheet, PDF (20/36 Pages) List of Unclassifed Manufacturers – Integrated Multi-channel AC97

6. REGISTER INTERFACE
CMI 9738
Integrated Multi-channel AC‘97
Table 6. Mixer Registers
Reg
NUM
Name
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default
00h ^Reset
X SE4 SE3 SE2 SE1 SE0 ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0 0000h
02h ^{Master Volume} Mute X X ML4 ML3 ML2 ML1 ML0 X X X MR4 MR3 MR2 MR1 MR0 0000h
Surround Mixer
04h
Mute X
Volume
0Eh ^{Mic Volume}
Mute X
X ML4 ML3 ML2 ML1 ML0 X X X MR4 MR3 MR2 MR1 MR0 8000h
X X X X X X X 20dB X X GN3 GN2 GN1 GN0 8008h
10h ^{LineIn Volume} Mute X X X GL3 GL2 GL1 GL0 X X X X GR3 GR2 GR1 GR0 8808h
12h ^{CD Volume}
Mute X X X GL3 GL2 GL1 GL0 X X X X GR3 GR2 GR1 GR0 8808h
16h ^{Aux Volume}
Mute X X X GL3 GL2 GL1 GL0 X X X X GR3 GR2 GR1 GR0 8808h
18h ^{PCM Out Vol}
Mute X X X GL3 GL2 GL1 GL0 X X X X GR3 GR2 GR1 GR0 8808h
1Ah ^{Record Select}
X X X X X SL2 SL1 SL0 X X X X X SR2 SR1 SR0 0000h
1Ch ^{Record Gain}
Mute X X X GL3 GL2 GL1 GL0 X X X X GR3 GR2 GR1 GR0 8000h
20h ^{General Purpose} X X X X X X X X LPBK X X X X X X X 0000h
Powerdown
26h
Ctrl/Stat
X PR6 PR5 PR4 PR3 PR2 PR1 PR0 X X
Extended Audio
SDA
28h
ID1 ID0 X X X X X X
X
ID
C
Ext’d audio
2Ah
Stat/Ctrl
SDA
X X X PRJ X X X X
X
C
4CH Vol:L,R Surr
38h
Mute X
X LSR4 LSR3 LSR2 LSR1 LSR0 Mute X
Vendor defined
5Ah
Control
7Ch ^{Vendor ID1}
S2LN
X X F2R X X
XXXX
I
F7 F6 F5 F4 F3 F2 F1 F0 S7 S6
X X REF ANL DAC ADC
XXXXXX
XXXXXX
RSR RSR RSR RSR RSR
X
43210
XXXXXX
S5 S4 S3 S2 S1 S0
000Xh
0080h
1000h
8080h
0000h
434Dh
7Eh ^{Vendor ID2}
T7 T6 T5 T4 T3 T2 T1 T0 REV7 REV6 REV5 REV4 REV3 REV2 REV1 REV0 4941h
C-MEDIA Electronics Inc.
6F, 100, Sec. 4, Civil Boulevard, Taipei, Taiwan, R.O.C. 106
TEL: [phone] FAX: [phone] E-mail:[e-mail]
Revision Date Apr./2002
Revision 1.1