STAC9750 Datasheet, PDF (71/73 Pages) Integrated Device Technology – VALUE-LINE TWO-CHANNEL AC’97 CODECS

STAC9750/9751
VALUE-LINE TWO-CHANNEL AC’97 CODECS
PC AUDIO
15. APPENDIX B: PROGRAMMING REGISTERS
Reg # Name
D15 D14 D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3 D2
D1
D0 Default
00h
Reset
RSRVD SE4 SE3
SE2
SE1
SE0
ID9
ID8
ID7
ID6
ID5
ID4 ID3 ID2 ID1 ID0 6990h
02h Master Volume Mute RSRVD ML5
ML4
ML3
ML2
ML1
ML0
Reserved
MR5 MR4 MR3 MR2 MR1 MR0 8000h
04h
HP_OUT
Mixer Volume
Mute RSRVD HPL5
HPL4
HPL3
HPL2
HPL1
HPL0
Reserved
HPR5 HPR4 HPR3 HPR2 HPR1 HPR0 8000h
06h
Master Volume
Mono
Mute
Reserved
MM5 MM4 MM3 MM2 MM1 MM0 8000h
0Ah
PC_BEEP
Volume
Mute
Reserved
PV3 PV2 PV1 PV0 RSRVD 0000h
0Ch Phone Volume Mute
Reserved
GN4 GN3 GN2 GN1 GN0 8008h
0Eh Mic Volume Mute
Reserved
boosted RSRVD GN4 GN3 GN2 GN1 GN0 8008h
10h Line In Volume Mute
Reserved
GL4
GL3
GL2
GL1
GL0
Reserved
GR4 GR3 GR2 GR1 GR0 8808h
12h CD Volume Mute
Reserved
GL4
GL3
GL2
GL1
GL0
Reserved
GR4 GR3 GR2 GR1 GR0 8808h
14h Video Volume Mute
Reserved
GL4
GL3
GL2
GL1
GL0
Reserved
GR4 GR3 GR2 GR1 GR0 8808h
16h AUX Volume Mute
Reserved
GL4
GL3
GL2
GL1
GL0
Reserved
GR4 GR3 GR2 GR1 GR0 8808h
18h
PCM Out
Volume
Mute
Reserved
GL4
GL3
GL2
GL1
GL0
Reserved
GR4 GR3 GR2 GR1 GR0 8808h
1Ah Record Select
Reserved
SL2
SL1
SL0
Reserved
SR2 SR1 SR0 0000h
1Ch Record Gain Mute
Reserved
GL3
GL2
GL1
GL0
Reserved
GR3 GR2 GR1 GR0 8000h
20h
General
Purpose
POP BYP RSRVD 3D
Reserved
MIX
MS
LPBK
Reserved
0000h
22h 3D Control
Reserved
DP3 DP2
Reserved 0000h
24h Audio Interrupt I4
I3
Reserved
I0
Reserved
0000h
26h
Powerdown
Ctrl/Stat
EAPD
PR6 PR5
PR4
PR3
PR2
PR1
PR0
Reserved
REF ANL DAC ADC 000Fh
28h
Extended
Audio ID
ID1
ID0
Reserved
REV1
(0)
REV0
(1)
AMAP
LDAC
SDAC
CDAC DSA1 DSA0 RSVD SPDIF DRA VRA 0605h
Extended
2Ah Audio Control/
Status
Reserved
SPCV
RSRVD
SPSA1
SPSA0
RSRVD SPDIF
RSRVD
VRA
enable
0400h
2Ch
PCM DAC
Rate
SR15 SR14 SR13
SR12
SR11
SR10
SR9
SR8
SR7
SR6 SR5
SR4 SR3 SR2 SR1 SR0 BB80h
32h
PCM LR
ADC Rate
SR15 SR14 SR13
SR12
SR11
SR10
SR9
SR8
SR7
SR6 SR5
SR4 SR3 SR2 SR1 SR0 BB80h
3Ah SPDIF Control #V DRS SPSR1 SPSR2
L
CC6
CC5
CC4
CC3
CC2 CC1
CC0
PRE
COPY
#PCM/
AUDIO
PRO
2A00h
3Eh
Extended
Modem Status
Reserved
PRA
Reserved
GPIO 0100h
4Ch
GPIO Pin
Config
Reserved
GC1 GC0
(GPIO1) (GPIO0)
0300h
4Eh
GPIO Pin
Polarity/Type
Reserved
GP1 GP0
(GPIO1) (GPIO0)
FFFFh
50h
GPIO Pin
Sticky
Reserved
GS1 GS0
(GPIO1) (GPIO0)
0000h
52h
GPIO Pin
Mask
Reserved
GW1 GW0
(GPIO1) (GPIO0)
0000h
54h
GPIO Pin
Status
Reserved
GI1 GI0
(GPIO1) (GPIO0)
0000h
60h
Z_DATA
Volume
Mute
Reserved
GL4
GL3
GL2
GL1
GL0
Reserved
GR4 GR3 GR2 GR1 GR0 8808h
6Ah
Digital Audio
Control
Reserved
DO1 DO0 0000h
6Ch Revision Code 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 00xxh
6Eh Analog Special
Reserved
AC97 ALL MIX
Reserved
MUTE
MIC SPLY
FIX ADCslot1 ADCslot0 RSVD GAIN OVR
DISBLE
VALUE EN
SPLY
OVR 1000h
VAL
70h 72h Enable EN15 EN14 EN13
EN12
EN11
EN10
EN9
EN8
EN7
EN6 EN5
EN4 EN3 EN2 EN1 EN0 0000h
72h
Analog Current
Adjust
74h* GPIO Access
EAPD
RSVD GPIO1
GPIO0
Reserved
INT
EAPD_OEN Reserved GPIO1_OEN GPIO0_OEN
APOP
Reserved
Reserved
IBIAS<1:0>
RSVD 0000h
0000h
76h 78h Enable EN15 EN14 EN13
EN12
EN11
EN10
EN9
EN8
EN7
EN6 EN5
EN4 EN3 EN2 EN1 EN0 0000h
78h
High Pass
Filter Bypass
RSESERVED
ADC
HPF 0000h
BYP
7Ch Vendor ID1
1
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0 8384h
7Eh
Vendor ID2
9750
0
1
1
1
0
1
1
0
0
1
0
1
0
0
0
0 7650h
Note: All registers not shown, and those labeled “Reserved”, can be written to but are “Don’t Care” on read back.
Note: PC_BEEP defaults to 0000h, mute off.
IDT™
VALUE-LINE TWO-CHANNEL AC’97 CODECS
71
STAC9750/9751
V 5.8 103106