alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 69

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

8.36. Verb – Set GPIO Unsolicited Response Enable Mask
8.37. Verb – Function Reset (Verb ID=7FFh)
7.1 Channel High Definition Audio Codec
Set Command Format
Bit [31:28]
Codec Response for NID=01h (Audio Function Group)
Note 1: All nodes except the Audio Function Group (NID=01h) will ignore this verb.
Note 2: The unsolicited response of corresponding GPIO is enabled when it’s ‘Enable Mask’ and Verb-‘Unsolicited
Response’ for NID=01h are enabled.
Codec Response for Other NID
Command Format (NID=01H)
Bit [31:28]
Codec Response
Note: The Function Reset command causes all widgets to return to their power-on default state.
CAd=X
CAd=X
31:8
31:0
31:0
7:2
1:0
Bit
Bit
Bit
(Verb ID=719h)
Node ID=01h
Node ID=Xh
Table 69. Verb – Set GPIO Unsolicited Response Enable Mask (Verb ID=719h)
Bit [27:20]
Bit [27:20]
Reserved
Reserved. Read as 0’s
Description
GPIO[7:2] Unsolicited Enable Mask. Not supported
GPIO[1:0] Unsolicited Enable Mask
0: Unsolicited response will not be sent on link
1: Unsolicited response will be sent on link when state of corresponding GPIO has been changed
Description
0’s
Description
Verb ID=7FFh
Verb ID=719h
Table 70. Verb – Function Reset (Verb ID=7FFh)
Bit [19:8]
Bit [19:8]
UnsolEnable [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
59
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
0’s
ALC880 Series
Datasheet
Rev. 1.4