alc883 Realtek Semiconductor Corporation, alc883 Datasheet - Page 63

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

8.33. Verb – Get GPIO Direction (Verb ID=F17h)
8.34. Verb – Set GPIO Direction (Verb ID=717h)
7.1+2 Channel High Definition Audio Codec
Get Command Format
Codec Response for NID=01h (Audio Function Group)
Note: All nodes except Audio Function Group (NID=01h) will ignore this verb.
Codec Response for Other NID
Set Command Format
Codec Response for NID=01h (Audio Function Group)
Note: All nodes except Audio Function Group (NID=01h) will ignore this verb.
Codec Response for Other NID
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:8
31:0
31:8
31:0
Bit
7:2
1:0
Bit
Bit
7:2
1:0
Bit
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Description
Reserved
GPIO[7:2] Direction Control. Not supported in the ALC883 series
GPIO[1:0] Direction Control
0: The corresponding GPIO pin is configured as an input
1: The corresponding GPIO pin is configured as an output
Description
0’s
Description
Reserved
GPIO[7:2] Direction Control. Not supported in the ALC883 series
GPIO[1:0] Direction Control
0: The corresponding GPIO pin is configured as an input
1: The corresponding GPIO pin is configured as an output
Description
0’s
Table 64. Verb – Get GPIO Direction (Verb ID=F17h)
Table 65. Verb – Set GPIO Direction (Verb ID=717h)
Verb ID=F17h
Verb ID=717h
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Direction [7:0]
55
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
Direction [7:0]
ALC883 Series
Datasheet
Rev. 1.3