alc883 Realtek Semiconductor Corporation, alc883 Datasheet - Page 58

• Manufacturer Part Number: alc883
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.23. Verb – Get Pin Sense (Verb ID=F09h)
Returns the Presence Detect status and the impedance of a device attached to the pin.
8.24. Verb – Execute Pin Sense (Verb ID=709h)
7.1+2 Channel High Definition Audio Codec
Get Command Format
Codec Response for NID = 14h~1Bh, 1Eh, 1Fh
Codec Response for other NID
Command Format
‘Payload’ in Command Bit[7:0]
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
30:0
31:0
Bit
Bit
Bit
7:1
31
0
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Description
Presence Detect Status
0: No device is attached to the pin
1: Device is attached to the pin
Measured Impedance
The ALC883 does not support hardware impedance detect. This field is read as 0s.
Description
Not supported (returns 00000000h)
Description
Reserved. Read as 0’s
Right (Ring) Channel Select
0: Sense Left channel (Tip)
1: Sense Right channel (Ring)
Table 55. Verb – Execute Pin Sense (Verb ID=709h)
Verb ID= F09h
Verb ID= 709h
Table 54. Verb – Get Pin Sense (Verb ID=F09h)
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Right Channel[0]
50
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
ALC883 Series
Datasheet
Rev. 1.3