alc269qsrs-gr Realtek Semiconductor Corporation, alc269qsrs-gr Datasheet - Page 55

• Manufacturer Part Number: alc269qsrs-gr
• Description: High Definition Audio Codec With Embedded Class D Speaker Amplifier
• 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)
High Definition Audio Codec with Embedded
Class D Speaker Amplifier
Get Command Format
Codec Response: Pin widget 15h (HP-OUT), 18h (MIC1), 19h (MIC2), 1Ah (LINE1), 1Bh (LINE2)
Codec Response for other NID
Command Format
‘Payload’ in Command Bit[7:0]
Note: The ALC269 does not support ‘Execute Pin Sense’ and will ignore this verb and respond with 0’s.
Bit [31:28]
Bit [31:28]
Cad=X
Cad=X
30:0
31:0
7:1
Bit
Bit
Bit
31
0
Description
Presence Detect Status.
0: No device is attached to the pin
1: Device is attached to the pin
Measured Impedance.
Note: The ALC269 does not support impedance sensing. Read as 0’s.
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)
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Table 55. Verb – Execute Pin Sense (Verb ID=709h)
Table 54. Verb – Get Pin Sense (Verb ID=F09h)
Verb ID=F09h
Verb ID=709h
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Right Channel[0]
47
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
ALC269
Rev. 1.1