alc250-lf Realtek Semiconductor Corporation, alc250-lf Datasheet - Page 11

• Manufacturer Part Number: alc250-lf
• Description: Two-channel Ac?97 2.3 Audio Codec With Equalizer
• Manufacturer: Realtek Semiconductor Corporation

6. Registers
6.1 Mixer Registers
Access to registers with an odd number will return a 0. Reading unimplemented registers will also return a 0. X=Reserved bit.
Two-Channel AC’97 2.3 Audio Codec
(HEX)
REG.
60h/
0Ah
0Ch
0Eh MIC Volume Mute
1Ah
1Ch
1Eh
2Ah
2Ch
3Ah
6Eh
7Ch
7Eh
00h
02h
06h
10h
12h
16h
18h
20h
22h
24h
26h
28h
32h
34h
76h
78h
04h
Aux Volume Mute
Power Down
Audio Status
Record Gain
Record Gain
Audio Int. &
Sample Rate
Sample Rate
GPIO Status
CD Volume Mute
GPIO Setup
Vendor ID1
Vendor ID2
Out Sample
Headphone
3D Control
PCM Input
S/PDIF Ctl
Mono-Out
MIC ADC
Ctrl/Status
PCM front
MIC Input
PC_BEEP
PCM Out
Audio ID
Extended
Extended
PHONE
Volume
Volume
Volume
Volume
Volume
Volume
General
Purpose
volume
Line-In
Vendor
NAME
Record
Master
Paging
Define
Select
Reset
ADC
Rate
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
MSR
POP
EAP
FSR
D15 D14 D13 D12 D11 D10 D9
ID1 ID0
ISR
F7
T7
15
15
15
I4
X
X
X
D
X
V
0
0
0
MSR
DRS SPS
SE4 SE3 SE2 SE1 SE0 ID9 ID8 ID7 ID6 ID5 ID4 ID3 ID2 ID1 ID0 0190h
PR6 PR5 PR4 PR3 PR2 PR1 PR0
FSR
ISR
T6
14
14
14
F6
I3
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
MSR
ML5 ML4 ML3 ML2 ML1 ML0 RM*
HPL
FSR
ISR
3D
R1
13
13
13
F5
T5
X
X
X
X
X
X
X
X
X
X
X
X
I2
X
X
5
0
0
0
MSR
HPL
NL4 NL3 NL2 NL1 NL0 RM*
CL4 CL3 CL2 CL1 CL0 RM*
AL4 AL3 AL2 AL1 AL0 RM*
FSR
PL4 PL3 PL2 PL1 PL0 RM*
SPS
ISR
R0
F7
F4
T4
12
12
12
I1
X
X
X
X
X
X
X
X
X
X
4
0
0
0
MSR
LRG
DRS
REV
HPL
RG3
FSR
LM
ISR
T3
F6
S1
11
11
11
F3
I0
X
X
X
X
X
X
L
3
3
1
0
0
0
MSR
LRG
DRS
REV
HPL
LRS
RG2
CC6 CC5 CC4 CC3 CC2 CC1 CC0 PRE COP
SPC
FSR
ISR
LM
T2
F5
S0
10
10
10
F2
X
X
X
X
X
V
2
2
2
0
0
0
0
BGO
LRG
MSR
HPL
RG1
MIX MS LBK
LRS
FSR
AM
LM
ISR
AP
F4
F1
T1
X
X
X
X
X
1
1
1
1
9
9
9
0
0
0
6
BGO
MSR
HPL
LRG
RG0
LRS
FSR
LM
ISR
D8
F0
T0 DEV
F3
X
X
X
X
X
X
0
0
0
0
8
8
8
0
0
0
RM*
MSR
FSR
ISR
D7
F2
S7
X
X
X
X
X
X
X
X
X
X
X
7
7
7
0
0
0
7
MSR
DEV
FSR
ISR
BC
D6
F1
S6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
6
6
6
0
0
0
6
MR5 MR4 MR3 MR2 MR1 MR0 8000h
MSR
DEV
HPR
FSR
SPS
ISR
D5
A1
F0
S5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
5
5
5
5
0
5
0
0
MSR
DEV
HPR
MM
NR4 NR3 NR2 NR1 NR0 8808h
CR4 CR3 CR2 CR1 CR0 8808h
AR4 AR3 AR2 AR1 AR0 8808h
FSR
PB3 PB2 PB1 PB0
PH4 PH3 PH2 PH1 PH0 8008h
MI4 MI3 MI2 MI1 MI0 8008h
PR4 PR3 PR2 PR1 PR0 8808h
SPS
ISR
D4
A0
S4
X
X
X
X
X
X
X
X
4
4
4
4
4
0
0
0
4
MSR
RRG
DEV
HPR
RG3
REF ANL DAC ADC 000Fh
MM
PG3 PG2 PG1 PG0 0000h
FSR
RM
ISR
D3
S3
X
X
X
X
X
3
3
3
3
3
3
0
0
0
3
RRG
MSR
DEV
HPR
RRS
RG2
MM
DP2 DP1 DP0 0000h
SPD
SPD
FSR
RM
ISR
D2
S2
IF
IF
X
Y
2
2
2
2
2
2
2
0
0
0
2
ALC250 DataSheet
RRG
DRA VRA 0A07h
DRA VRA 0000h
MSR
DEV
HPR
RRS
RG1
MM
FSR
DIO
/AU
RM
ISR
D1
S1
X
1
1
1
1
1
1
1
0
1
0
0
MSR
HPR
RRG
PRO 2000h
DEV
RRS
RG0
MM
FSR
RM
ISR
D0
S0 414Ch
X
X
0
0
0
0
0
0
0
0
0
0
0
DEFAU
BB80h
BB80h
BB80h
8000h
8000h
0000h
8000h
8000h
0000h
4750h
8000h
0400h
0000h
0000h
LT
Rev1.3