alc250-lf Realtek Semiconductor Corporation, alc250-lf Datasheet - Page 24

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

6.2.4 MX64 EQualizer Control Data Port
Default: 0000h
6.2.5 MX6A Data Flow Control
Default: 0308h
Two-Channel AC’97 2.3 Audio Codec
13:12
15:0
Bit
Bit
5:4
3:2
15
14
11
10
9
8
7
6
1
0
Data written into this mixer will set the EQ register MX64 points to. Read this mixer will get the register content
MX60 points to.
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
NA
EQ Control Registers Data
SDATA-IN Slot 6 Source
Direct DAC Mode
S/PDIF Out Source
Recorded PCM Data to ACLINK
DAC Source
DPE (Digital Process Engine) ADC Source
EQ&MIC ADC Record Select
MIC2 Source
ADC MIC Source
Reserved
Function Selection for pin-47 and pin-16.
S/PDIF-In Enable
S/PDIF-In Monitoring Control
0: From mixed signal of MIC, LINE-In, CD-In, AUX-In and VIDEO-In.
0: EQ&MIC ADC Left Channel
1: Original ADC Left Channel
0: Analog output is from summation of DAC and analog inputs.
1: Analog output is from DAC.
00: S/PDIF data is from ACLINK controller
01: Reserved.
10: Directly bypass S/PDIF-In signal to S/PDIF-Out.
11: Reserved.
0: Recorded PCM data to host is from original ADC
1: Recorded PCM data to host is from S/PDIF-IN
0: DAC data is from ACLINK
1: DAC data is from DPE.
0: EQ&MIC ADC.
1: Original ADC.
1: Left channel is from MIC, right channel is from sum of others.
0: MIC2
0: Mono duplicated. (Default)
0: Disable
1: Enable
0: Disable, SPDIFI data is not added into PCM data to DAC. (Default)
1: Enable, SPDIFI data will be added into PCM data to DAC after SPDIFI is locked.
MX6A.[3:2]
Data to DPE is composed of right channel and its duplicated one.
00
01
10
11
EAPD
EAPD
S/PDIF-In (In) JD2
JD2
Pin-47
1: (MIC1+MIC2)/2.
(Out) S/PDIF-In (In)
(Out) JD2
(In)
controller.
1: Stereo.
S/PDIF-In (In) Compatible with ALC202
Pin-16
19
(In)
(In)
Function
Function
(Default)
Note
ALC250 DataSheet
Rev1.3