alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 66

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

8.30. Verb – Set GPIO Data (Verb ID= 715h)
8.31. Verb – Get GPIO Enable Mask (Verb ID=F16h)
7.1 Channel High Definition Audio Codec
Set Command Format
Bit [31:28]
‘Data’ in Set command for NID=01h (Audio Function Group)
Codec Response for All NID
Get Command Format
Bit [31:28]
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
CAd=X
CAd=X
31:8
31:0
31:8
31:0
7:2
1:0
7:2
1:0
Bit
Bit
Bit
Bit
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Reserved
Reserved
Description
GPIO[7:2] output Data. Not supported
GPIO[1:0] Output Data
The value written determines the value driven on a pin that is configured as an output pin
Description
0’s
Description
Reserved
GPIO[1:0] Enable mask
0: The corresponding GPIO pin is disabled and is in Hi-Z state
1: The corresponding GPIO pin is enabled. Its behavior is determined by the GPIO direction control
Description
0’s
Table 64. Verb – Get GPIO Enable Mask (Verb ID= F16h)
Verb ID=F16h
Verb ID=715h
Table 63. Verb – Set GPIO Data (Verb ID= 715h)
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Data [7:0]
56
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
EnableMask [7:0]
Response [31:0]
Response [31:0]
0’s for all nodes
ALC880 Series
Datasheet
Rev. 1.4