ICE1230 IC Ensemble, ICE1230 Datasheet - Page 13

• Manufacturer Part Number: ICE1230
• Description: ac 97 Audio Codec
• Manufacturer: IC Ensemble

Preliminary
Register Map
Register Description
Reset Register (Index 00h)
The Reset register is used to configure the hardware to a known state or is used to read the status of the current
hardware configuration. Writing data to this register will set all the mixer registers to their default values.
Reading data from this register will return the ID code for the device.
Rev. 1.3, 9/21/98
Index Register Name
00h
02h
06h
0Ah
0Ch
0Eh
10h
12h
14h
16h
18h
1Ah
1Ch
20h
26h
28h
...
5Ah
...
7Ah
7Ch
7Eh
D15
–
Reset
Stereo Output Volume Mute
Mono Output Volume
PC Beep Volume
Phone Volume
Mic In Volume
Line In Volume
CD In Volume
Video In Volume
Aux In Volume
PCM Out volume
Record Select
Record Gain
General Purpose
Power Down & Status
Reserved
Test Control Register
Vendor Reserved
Vendor ID1
Vendor ID2
D14
SE4
D13
SE3
...
...
D12
SE2
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
D15 D14 D13 D12 D11 D10
D11
SE1
F7
T7
...
...
–
–
–
–
–
–
–
–
SE4
F6
T6
...
...
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
D10
SE0
SE3
ML5 ML4 ML3 ML2 ML1 ML0
PR5 PR4 PR3 PR2 PR1 PR0
F5
T5
...
...
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ID9
D9
GL4
SE2
GL4 GL3 GL2 GL1
GL4
GL4
GL4
F4
T4
...
...
–
–
–
–
–
–
–
–
–
–
ID8
D8
SE1
GL3
GL3
GL3
GL3
GL3
F3
T3
...
...
–
–
–
–
–
–
–
–
–
ID7
GL2
D7
SE0
GL2 GL1
GL2 GL1
GL2 GL1
SL2
GL2 GL1 GL0
F2
T2
...
...
–
–
–
–
–
–
–
–
GL1 GL0
SL1
MIX
ID9
D9
F1
T1
ID6
...
...
D6
–
–
–
–
–
–
–
GL0
GL0
GL0
GL0
SL0
ID8
MS LPBK
D8
F0
T0
...
...
–
–
–
–
–
–
–
ID5
D5
ADC1 ENL ADC2 DAC
REV7 REV6 REV5 REV4 REV3 REV2 REV1 REV0
ID7
D7
S7
...
...
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ID4
D4
20dB
ID6
D6
S6
...
...
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ID3
D3
MM5 MM4 MM3 MM2 MM1 MM0
MR5 MR4 MR3 MR2 MR1 MR0
ID5
D5
S5
...
...
–
–
–
–
–
–
–
–
–
–
–
–
–
–
GN4 GN3 GN2 GN1 GN0
GN4 GN3 GN2 GN1 GN0
GR4 GR3 GR2 GR1 GR0
GR4 GR3 GR2 GR1 GR0
GR4 GR3 GR2 GR1 GR0
GR4 GR3 GR2 GR1 GR0
ID2
PV3 PV2 PV1 PV0
GR4 GR3 GR2 GR1 GR0
D2
ID4
D4
S4
...
...
–
–
–
–
–
–
GR3 GR2 GR1 GR0
REF ANL DAC ADC
ID3
D3
S3
ID1
...
...
D1
–
–
–
–
–
ICE 1230
SR2 SR1 SR0
ID2
D2
S2
...
...
–
–
–
–
ID0
D0
ID1
D1
S1
...
...
–
–
–
–
Default
0000h
ID0
D0
S0
...
...
–
–
–
–
–
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