alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 75
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alc885-gr
Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC885-GR.pdf
(98 pages)
- Current page: 75 of 98
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8.28. Verb – Set Configuration Default Bytes 0, 1, 2, 3
The BIOS can use this verb to figure out the default conditions for the Pin Widgets 14h~1Bh and
1Eh~1Fh, e.g., placement and expected default device.
8.29. Verb – Get BEEP Generator (Verb ID=F0Ah)
7.1+2 Channel High-Performance HDA Codec
With Content Protection
Set Command Format
Bit [31:28]
Note: Supported by Pin Widget NID=14h~1Bh,1Ch, 1Dh, 1Eh and 1Fh. Other widgets will ignore this verb.
Codec Response for All NID
Get Command Format
Bit [31:28]
‘Response’ for NID=01h (Audio Function Group)
Bit
Codec Response for Other NID
CAd=X
CAd=X
31:0
31:8
31:0
7:0
Bit
Bit
(Verb ID=71Ch/71Dh/71Eh/71Fh for Bytes 0, 1, 2, 3)
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Reserved
Description
0’s
Description
Frequency Divider, F[7:0]
The internal BEEP frequency is the result of dividing the 48kHz clock by 4 times the number specified
in F[7:0]
The lowest tone is 48kHz/(255*4)=47Hz
The highest tone is 48kHz/(1*4)=12kHz
A value of 00h in F[7:0] disables internal BEEP generator and allows external PCBEEP input
Description
0’s
Table 70. Verb – Set Configuration Default Bytes 0, 1, 2, 3
Table 71. Verb – Get BEEP Generator (Verb ID= F0Ah)
71Dh, 71Eh, 71Fh
Verb ID= F1Bh
Verb ID=71Ch,
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Label [7:0]
67
0’s
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
Divider [7:0]
ALC885 Series
Datasheet
Rev. 1.1
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