alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 63

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alc885-gr

Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet
8.13. Verb – Get Converter Format (Verb ID=Ah)
7.1+2 Channel High-Performance HDA Codec
With Content Protection
Get Command Format
Bit [31:28]
Codec Response for NID=02h~06h, 25h (Output Converters: Front, Surr, Cen/LFE, Side-Surr, Fout DAC, S/PDIF-OUT).
Codec Response for NID=07h~0Ah (Input Converters: MIC, LINE, MIX DAC, and S/PDIF-IN)
CAd=X
31:16
13:11
10:8
6:4
3:0
Bit
15
14
7
Node ID=Xh
Bit [27:20]
Reserved. Read as 0
Stream Type (TYPE)
Sample Base Rate Divisor (DIV)
Reserved. Read as 0.
Description
0: PCM
1: Non-PCM
Sample Base Rate (BASE)
0: 48kHz
1: 44.1kHz
Sample Base Rate Multiple (MULT)
000b: *1
000b: /1
The ALC885 does not support Divisor. Always read as 000b
Bits per Sample (BITS)
000b: 8 bits
Number of Channels
0: 1 channel
001b: /2
Table 56. Verb – Get Converter Format (Verb ID=Ah)
001b: *2
Verb ID=Ah
001b: 16 bits
1: 2 channels
Bit [19:16]
010b: /3
010b: *3
010b: 20 bits
2: 3 channels ….. 15: 16 channels
Payload Bit [15:0]
011b: /4
011b: *4
55
0’s
100b: /5
011b: 24 bits
100b~111b: Reserved
101b: /6
100b: 32 bits
Bit[15:0] are converter format
110b: /7
Codec Response Format
Response [31:0]
101b~111b: reserved
111b: /8
ALC885 Series
Datasheet
Rev. 1.1