alc260d-ve-lf Realtek Semiconductor Corporation, alc260d-ve-lf Datasheet - Page 69

• Manufacturer Part Number: alc260d-ve-lf
• Description: 2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.39. Get/Set Volume Knob Widget (NID=1Bh) (Verb ID=
8.40. Verb – Get Subsystem ID [31:0]
2 Channel High Definition Audio Codec
Note: Not supported in the ALC260 and ALC260-LF.
Get Command Format
Codec Response for NID=1Bh (Volume Knob Widget)
Set Command Format
‘Payload’ in Set Command for NID=1Bh (Volume Knob Widget)
Get Command Format
Codec Response for NID=01h
Bit [31:28]
Bit [31:28]
Bit [31:28]
CAd = X
CAd=X
CAd=X
31:16
31:8
31:8
15:8
6:0
6:0
7:0
Bit
Bit
Bit
7
7
F0Fh/70Fh)
(Verb ID=F20h/F21h/F22h/F23h)
Node ID=01h
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Bit [27:20]
Reserved. Read as 0’s.
Description
Reserved.
Direct.
Not supported. Response will be 0 for this bit.
Volume in steps.
Volume in steps is a sensed DC Voltage Code at the DCVOL pin. An integrated 6-bit ADC supports a
maximum of 64 volume steps.
Description
Reserved.
Direct.
Not supported. This bit will be ignored.
Reserved.
Description
Subsystem ID (Default=0260h).
Assembly ID. Read as 0.
Table 73. Verb – Get Subsystem ID [31:0] (Verb ID=F20h/F21h/F22h/F23h)
Table 72. Get/Set Volume Knob Widget (NID=21h) (Verb ID= F0Fh/70Fh)
Verb ID=F0Fh
Verb ID=70Fh
Verb ID=F20h
Bit [19:8]
Bit [19:8]
Bit [19:8]
Bit [7] is ‘Direct’ control
Payload Bit [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
62
0’s
0s
Bit [31:8]=0’s, Bit [7:0] is volume
Track ID: JATR-1076-21 Rev. 1.4
Codec Response Format
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
Response [31:0]
32-bit Response
0’s
ALC260(D)
Datasheet