alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 62
alc880
Manufacturer Part Number
alc880
Description
7.1 Channel High Definition Audio Codec
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC880.pdf
(84 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ALC880
Manufacturer:
REALTEK/瑞昱
Quantity:
20 000
Company:
Part Number:
alc880D
Manufacturer:
VISHAY
Quantity:
400
Part Number:
alc880D
Manufacturer:
REALTEK/瑞昱
Quantity:
20 000
8.22. Verb – Set Unsolicited Response Control (Verb ID=708h)
Enable a widget to generate an unsolicited response.
8.23. 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=14h~1Bh (Pin Complex)
Codec Response for other NID
CAd=X
CAd=X
31:8
30:0
31:0
6:4
3:0
Bit
Bit
Bit
31
7
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 Response.
Tag[3:0] is defined by software to assign a 4-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 55. Verb – Set Unsolicited Response Control (Verb ID=708h)
Verb ID= F09h
Verb ID=708h
Table 56. Verb – Get Pin Sense (Verb ID=F09h)
Bit [19:8]
Bit [19:8]
EnableUnsol [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
52
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
ALC880 Series
Datasheet
Rev. 1.4