alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 55

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.13. Verb – Get Converter Format (Verb ID=Ah)
7.1 Channel High Definition Audio Codec
Get Command Format
Bit [31:28]
Codec Response for NID=02h~06h (Output Converters: Front, Surr, Cen/Lfe, Side-Surr DAC, and S/PDIF-OUT).
Codec Response for NID=07h~0Ah (Input Converters: MIC, LINE, UIO1, UIO2, MIX DAC, and S/PDIF-IN)
Codec Response for other NID
CAd=X
31:16
13:11
10:8
31:0
6:4
3:0
Bit
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
Not supported. Always read as 000b
Bits per Sample (BITS)
000b: 8 bits
Number of Channels.
0: 1 channel
Description
Not supported (returns 00000000h)
001b: /2
Table 46. 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
45
0’s
100b: /5
011b: 24 bits
100b~111b: Reserved
101b: /6
100b: 32 bits
Track ID: JATR-1076-21
Bit[15:0] are converter format
110b: /7
Codec Response Format
Response [31:0]
101b~111b: Reserved
111b: /8
ALC880 Series
Datasheet
Rev. 1.4