alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 51

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

8.7. Verb – Get Coefficient Index (Verb ID=Dh)
8.8. Verb – Set Coefficient Index (Verb ID=5h)
8.9. Verb – Get Processing Coefficient (Verb ID=Ch)
7.1 Channel High Definition Audio Codec
Get Command Format
Bit [31:28]
Codec Response for NID=20h (Realtek Defined Hidden Registers)
Codec Response for Other NID
Set Command Format
Bit [31:28]
Codec Response for All NID
Get Command Format
Bit [31:28]
Codec Response for NID=20h (Realtek Defined Hidden Registers)
Codec Response for Other NID
CAd=X
CAd=X
CAd=X
31:16
31:16
15:0
31:0
31:0
15:0
31:0
Bit
Bit
Bit
Bit
Bit
Node ID=Xh
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Bit [27:20]
Reserved. Read as 0’s
Coefficient Index
Reserved. Read as 0’s
Processing Coefficient
Description
Description
Not supported (returns 00000000h)
Description
0’s
Description
Description
Not supported (returns 00000000h)
Table 42. Verb – Get Processing Coefficient (Verb ID=Ch)
Table 40. Verb – Get Coefficient Index (Verb ID=Dh)
Table 41. Verb – Set Coefficient Index (Verb ID=5h)
Verb ID=Dh
Verb ID=Ch
Verb ID=5h
Bit [19:16]
Bit [19:16]
Bit [19:16]
Coefficient Index [15:0]
Payload Bit [15:0]
Payload Bit [15:0]
Payload Bit [15:0]
41
0’s
0’s
Track ID: JATR-1076-21
Bit [15:0] are Coefficient Index
Processing Coefficient [15:0]
Codec Response Format
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
Response [31:0]
0’s for all nodes
ALC880 Series
Datasheet
Rev. 1.4