7 / 40 page
Revision 1.5, October 11, 2002
7
Data Sheet
VT1616 6-Channel AC97 Codec with S/PDIF
Register Map
In compliance with the AC ‘97 rev. 2.2 specification, all reservedor non-implementedregister bits, non-implementedaddresses, oddregister
addresses return 0 when read. Vendor specific registers 5Ah - 7Ah are reserved for special functions, testing and similar operations.
Index
Register Name
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
00h
Reset
–
SE4
SE3
SE2
SE1
SE0
ID9
ID8
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
02h
Stereo Output Volume
Mute
–
–
ML4
ML3
ML2
ML1
ML0
–
–
–
MR4 MR3
MR2
MR1 MR0
04h
Alt. Line Output Vol.
Mute
–
–
ML4
ML3
ML2
ML1
ML0
–
–
–
MR4 MR3
MR2
MR1 MR0
06h
Mono Output Volume
Mute
––––––––––
MM4 MM3
MM2
MM1 MM0
0Ah
PC Beep Volume
Mute
––––––––––
PV3
PV2
PV1
PV0
–
0Ch
Phone Volume
Mute
––––––––––
GN4
GN3
GN2
GN1
GN0
0Eh
Mic In Volume
Mute
––––––––
20dB
–
GN4
GN3
GN2
GN1
GN0
10h
Line In Volume
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
12h
CD In Volume
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
14h
Video In Volume
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
16h
Aux In Volume
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
18h
PCM Out volume
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
1Ah
RecordSelect
–––––
SL2
SL1
SL0
–––––
SR2
SR1
SR0
1Ch
RecordGain
Mute
–––
GL3
GL2
GL1
GL0
––––
GR3
GR2
GR1
GR0
20h
General Purpose
–
–
3D
–
–
–
MIX
MS
LPBK
–
–
–
–
–
–
–
22h
3D Control
––––––––––––
DP3
DP2
DP1
DP0
26h
Power Down & Status
EAPD PR6
PR5
PR4
PR3
PR2
PR1
PR0
––––
REF
ANL
DAC ADC
28h
Extended Aud io ID
ID1
ID0
–––––
LDAC SDAC CDAC
–––
SPDIF
–
VRA
2Ah
Ext. Audio Stat/Control
–
–
PRK
PRJ
PRI SPCV
–
LDAC SDAC CDAC SSA1 SSA0
–
SPDIF
–
VRA
2Ch
PCM Front DAC Rate
SR15 SR14 SR13 SR12 SR11 SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
2Eh
SurroundDAC Rate
SR15 SR14 SR13 SR12 SR11 SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
30h
PCM LFE DAC Rate
SR15 SR14 SR13 SR12 SR11 SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
32h
PCM LR ADC Rate
SR15 SR14 SR13 SR12 SR11 SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
36h
LFE/Center Volume
Mute
–
–
LFE4 LFE3 LFE2 LFE1 LFE0 Mute
–
–
CNT4 CNT3 CNT2 CNT1 CNT0
38h
SurroundVolume
Mute
–
–
LSR4 LSR3 LSR2 LSR1 LSR0 Mute
–
–
RSR4 RSR3 RSR2 RSR1 RSR0
3Ah
S/PDIF Control
V
–
SSR1 SSR0
L
CC6
CC5
CC4
CC3
CC2
CC1
CC0
PRE
COPY /PCM PRO
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
5Ah
Test Control Register
LVL
Res.
Res. LCTF STF BPDC
DC
Res.
Res.
Res.
Res.
Res.
IB1
IB0
Res.
Res.
5Ch
Special Control Reg.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
LBE
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
7Ah
Vendor Reserved
–––––––––––––
–
–
–
7Ch
Vendor ID1
F7F6F5F4F3F2F1F0S7S6S5S4S3
S2
S1S0
7Eh
Vendor ID2
T7
T6
T5
T4
T3
T2
T1
T0
REV7 REV6 REV5 REV4 REV3 REV2 REV1 REV0
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