alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 59

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

8.20. Verb – Set Pin Widget Control (Verb ID=707h)
4 Channel High Definition Audio Codec
Set Command Format
Codec Response for NID=11h, 12h, 14h, 15h, 17h, 18h, 19h, 1Ah, 1Bh, 1Dh, 1Eh, 21h (Pin Complex)
Bit [31:28]
CAd=X
31:8
4:3
2:0
Bit
7
6
5
Description
Reserved. Read as 0’s.
H-Phn Enable.
0: Disabled
1: Enabled
Note: Only NID=14h, 15h, 19A, 1Bh, and 21h support headphone amplifier.
Out Enable (Output Buffet Enable, EN_OBUF for an I/O unit).
0: Disabled
1: Enabled
Note: NID= 1Dh (PCBEEP) do not support output and are always read 0.
In Enable (Input Buffer Enable, EN_IBUF for an I/O unit).
0: Disabled
1: Enabled
Note: NID=1Eh (1
Reserved.
VrefEn (Vrefout Enable Control).
000b: Hi-Z (Disabled, default for all)
001b: 50% of AVDD
010b: Ground 0V
011b: Reserved
100b: 80% of AVDD
101b: 100% of AVDD
110b~111b: Reserved
Note: Only NID=18h, 19h, 1Ah and 1Bh support reference output, other nodes will ignore this verb and
respond with 0.
Node ID=Xh
Bit [27:20]
Table 55. Verb – Set Pin Widget Control (Verb ID=707h)
Verb ID=707h
st
Bit [19:8]
SPDIF-OUT) and 11h (2
Payload Bit [7:0]
Pin Control [7:0]
nd
51
SPDIF-OUT) do not support output and is always read 0.
Track ID: JATR-1076-21
Codec Response Format
Response [31:0]
0’s for all nodes
Datasheet
ALC272
Rev. 1.0