alc268 Realtek Semiconductor Corporation, alc268 Datasheet - Page 61
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alc268
Manufacturer Part Number
alc268
Description
2+2 Channel High Definition Audio Codec
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC268.pdf
(80 pages)
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8.32. Verb – Set GPIO Enable Mask (Verb ID=716h)
8.33. Verb – Get GPIO Direction (Verb ID=F17h)
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 All 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
Description
Reserved.
GPIO[7:4] Enable Mask. Not supported in the ALC268.
GPIO[3:0] 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.
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.
Node ID=01h
Node ID=01h
Bit [27:20]
Bit [27:20]
Table 64. Verb – Set GPIO Enable Mask (Verb ID=716h)
Table 65. Verb – Get GPIO Direction (Verb ID=F17h)
Verb ID=F17h
Verb ID=716h
Bit [19:8]
Bit [19:8]
Enable Mask [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
53
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]
ALC268 Series
Datasheet
Rev. 1.3