alc888-vc2-gr Realtek Semiconductor Corporation, alc888-vc2-gr Datasheet - Page 60
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alc888-vc2-gr
Manufacturer Part Number
alc888-vc2-gr
Description
7.1+2 Channel High Definition Audio Codec
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC888-VC2-GR.pdf
(80 pages)
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8.27. Verb – Get BEEP Generator (Verb ID=F0Ah)
8.28. Verb – Set BEEP Generator (Verb ID=70Ah)
7.1+2 Channel High Definition Audio Codec
Get Command Format
‘Response’ for NID=01h (Audio Function Group)
Codec Response for Other NID
Set Command Format
‘Divider’ in Set Command
Note: All nodes except Audio Function Group (NID=01h) will ignore this verb.
Codec Response for All NID
Bit [31:28]
Bit [31:28]
CAd=X
CAd=X
31:8
31:0
31:8
31:0
7:0
7:0
Bit
Bit
Bit
Bit
Description
Reserved
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.
Description
Reserved.
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 the internal BEEP generator and allows external PCBEEP input.
Description
0’s.
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Table 58. Verb – Get BEEP Generator (Verb ID= F0Ah)
Table 59. Verb – Set BEEP Generator (Verb ID= 70Ah)
Verb ID= F1Bh
Verb ID=71Bh
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Divider [7:0]
52
0’s
Track ID: JATR-1076-21
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
Divider [7:0]
Datasheet
ALC888
Rev. 1.4
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