alc262w-vd2-gr Realtek Semiconductor Corporation, alc262w-vd2-gr Datasheet - Page 64

• Manufacturer Part Number: alc262w-vd2-gr
• Description: 4-channel Dac And 6-channel Adc High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.21. Verb – Set Pin Widget Control (Verb ID=707h)
8.22. Verb – Get Unsolicited Response Control (Verb ID=F08h)
Determines whether a widget is enabled to send an unsolicited response. An HDA codec can use an
unsolicited response to inform software of a real-time event.
4-Ch DAC and 6-Ch ADC High Definition Audio Code
Set Command Format
‘Pin Control’ in command [7:0]: (NID=14h, 15h, 16h, 18h~1Bh)
Get Command Format
Codec Response for NID=01h (GPIO), 0Ah (S/PDIF-IN), 14h~16h, 18h~1Bh (Port), 21h (Volume in Step)
Codec Response for other NID
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:1
31:8
31:0
2:0
6:4
3:0
Bit
Bit
Bit
4:
7
6
5
7
Description
Reserved. Read as 0’s.
H-Phn Enable.
0: Disabled
Out Enable.
0: Disabled
In Enable (Input Buffer Enable, EN_IBUF for an I/O unit).
0: Disabled
Reserved.
VrefEn (Vrefout Enable Control).
000b: Hi-Z (Disabled)
011b: Reserved
110b~111b: Reserved
Description
Reserved. Read as 0’s.
Unsolicited Response is Enabled.
0: Disabled
Reserved. Read as 0’s.
Assigned Tag for Unsolicited Response.
The tag[3:0] is assigned by software to determine which widget generates unsolicited responses.
Description
Not Supported (returns 00000000h).
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Table 56. Verb – Get Unsolicited Response Control (Verb ID=F08h)
Table 55. Verb – Set Pin Widget Control (Verb ID=707h)
Verb ID=F08h
Verb ID=707h
Bit [19:8]
Bit [19:8]
001b: 50% of AVDD
1: Enabled
1: Enabled
1: Enabled
100b: 80% of AVDD
1: Enabled
Payload Bit [7:0]
Payload Bit [7:0]
Pin Control [7:0]
55
0’s
010b: Ground 0V
101b: 100% of AVDD
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
32-bit Response
0’s for all nodes
ALC262 Series
Datasheet
Rev. 1.9