alc882 Realtek Semiconductor Corporation, alc882 Datasheet - Page 62

• Manufacturer Part Number: alc882
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

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
Bit [31:28]
‘Response’ for NID=01h (Audio Function Group)
Bit
Codec Response for Other NID
Set Command Format
Bit [31:28]
‘Divider’ in Set Command
Note: All nodes except Audio Function Group (NID=01h) will ignore this verb.
Codec Response for All NID
CAd=X
CAd=X
31:8
31:0
31:8
31:0
7:0
7:0
Bit
Bit
Bit
Node ID=Xh
Node ID=Xh
Bit [27:20]
Bit [27:20]
Reserved
Reserved
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
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 the internal BEEP generator and allows external PCBEEP input
Description
0’s
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]
ALC882 Series
Datasheet
Rev. 1.5