alc268 Realtek Semiconductor Corporation, alc268 Datasheet - Page 62

• Manufacturer Part Number: alc268
• Description: 2+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.34. Verb – Set GPIO Direction (Verb ID=717h)
8.35. Verb – Get GPIO Unsolicited Response Enable Mask
2+2 Channel High Definition Audio Codec
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
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
Bit [31:28]
Bit [31:28]
Cad=X
Cad=X
31:8
31:0
31:8
31:0
7:4
3:0
7:4
3:0
Bit
Bit
Bit
Bit
(Verb ID=F19h)
Description
Reserved.
GPIO[7:4] Direction Control. Not supported in the ALC268.
GPIO[3:0] 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 67. Verb – Get GPIO Unsolicited Response Enable Mask (Verb ID=F19h)
Description
Reserved.
GPIO[7:4] Unsolicited Enable Mask. Not supported in the ALC268.
GPIO[3:0] 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.
Node ID=01h
Node ID=01h
Bit [27:20]
Bit [27:20]
Table 66. Verb – Set GPIO Direction (Verb ID=717h)
Verb ID=F19h
Verb ID=717h
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Direction [7:0]
54
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
UnsolEnable [7:0]
Response [31:0]
Response [31:0]
0’s for all nodes
ALC268 Series
Datasheet
Rev. 1.3