alc203-lf Realtek Semiconductor Corporation, alc203-lf Datasheet - Page 24

• Manufacturer Part Number: alc203-lf
• Description: Two-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.2 Vendor Defined Registers (Page-00h)
These registers are available to Realtek and Realtek customers for specialized functions.
6.2.1 Page -0h, MX60 S/PDIF In Status [15:0]
Default: 0000h
The data in MX60 are captured from channel status [15:0] of S/PDIF-IN signal.
6.2.2 Page -0h, MX62 S/PDIF In Status [29:15]
Default: 0000h
The data in MX62 are captured from channel status [29:16] of S/PDIF-IN signal.
6.2.3 Page -0h, MX6A Data Flow Control
Default: 0000h
Two-Channel AC’97 2.3 Audio Codec
13:12
13:12
14:8
11:8
Bit
7:6
5:3
Bit
7:4
3:0
Bit
15
15
14
15
14
11
2
1
0
Type
Type
Type
R/W
R/W
R/W
NA
R
R
R
R
R
R
R
R
R
R
R
R
R
Ca[1:0] ( Clock Accuracy)
LEVEL (Generation Level)
CC[6:0] (Category Code)
Mode[1:0]
PRE[2:0] (Pre-Emphasis)
COPY (Copyright)
/AUDIO (Non-Audio Data type)
PRO (Professional or Consumer format)
“V” bit in sub-frame of SPDIFI
This bit is real-time updated, and it is meaning when S/PDIF-IN is locked
S/PDIF-IN Input Signal Locked by hardware
Cn[3:0] (Channel Number)
Sn[3:0] (Source Number)
Reserved
Direct DAC Mode
S/PDIF Out Source
Recorded PCM Data to ACLINK
0: Data X and Y are valid
1: At least one of data X and Y is invalid
0: Unlocked
Fs[3:0]. (Sample Frequency in channel status)
0000: 44.1KHz
0010: 48 KHz
0011: 32 KHz
Others: Reserved
0: asserted
0: PCM data
0: consumer format
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.
1: Locked
1: Not asserted
1: AC3 or other digital non-audio data
1: professional format
20
Function
Function
Function
ALC203 DataSheet
Rev1.6