alc861 Realtek Semiconductor Corporation, alc861 Datasheet - Page 53

• Manufacturer Part Number: alc861
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.16. Verb – Set Unsolicited Response Control (Verb ID=708h)
Enable a widget to generate an unsolicited response.
8.17. Verb – Get Pin Sense (Verb ID=F09h)
Returns the Presence Detect status and the impedance of a device attached to the pin.
7.1 Channel High Definition Audio Codec
Set Command Format
Bit [31:28]
‘EnableUnsol’ in Command Bit [7:0]
Get Command Format
Bit [31:28]
Codec Response for NID=0Bh~0Fh, 10h, 11h, 1Fh and 20h (Analog I/O Port)
Codec Response for other NID
CAd=X
CAd=X
31:8
30:0
31:0
5:0
Bit
Bit
Bit
31
7
6
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Reserved. Read as 0’s
Reserved. Read as 0’s
Presence Detect Status
Measured Impedance
Description
Unsolicited Response
0: Disable
1: Enable
Tag for Unsolicited Responses.
Tag[5:0] is defined by software to assign a 6-bit tag for nodes that are enabled to generate unsolicited
responses.
Description
0: No device is attached to the pin
1: Device is attached to the pin
0x7FFFFFFF or 0xFFFFFFFF: Valid sense is not available or busy
Description
Not supported (returns 00000000h)
Table 43. Verb – Set Unsolicited Response Control (Verb ID=708h)
Verb ID= F09h
Verb ID=708h
Table 44. Verb – Get Pin Sense (Verb ID=F09h)
Bit [19:8]
Bit [19:8]
EnableUnsol [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
45
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
32-bit Response
0’s for all nodes
Datasheet
ALC861
Rev. 1.3