W681307DG Datasheet, PDF (47/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
8.3.6
Sounder Registers
Address
Name
Description
Bit
Description
Value
at Reset
0
0
1
0
2
0
1447H SounderTone1
Sounder frequency control
3
4
Sounder frequency control
0
0
5
0
6
0
7
0
0
0
1
0
2
0
1448H SounderTone2
Sounder frequency control
3
4
Sounder frequency control
0
0
5
0
6
0
7
0
0
0
1
0
2 Sounder volume control
0
3
0
1449H SounderVol1
Sounder volume control
4
0
5 Reserved
0
6 Reserved
0
7
Tone generators
enable = 1
0
0
0
1
0
2 Sounder volume control
0
3
0
144AH SounderVol2
Sounder volume control
4
0
5 Reserved
0
6 Reserved
0
7
Tone generators
enable = 1
0
0 Enable
0
1
Frequency Select
0: 216KHz, 1: 108KHz
0
2 Reserved
0
144BH PIEZO Function
Enable PIEZO function
Select PIEZO frequency
3 Reserved
0
4 Reserved
0
5 Reserved
0
6 Reserved
0
7 Reserved
0
0
0
1
0
2
0
144CH
PIEZO Clock output
Output twice clock count of this
register value
3 PIEZO driving signal from
4 PCM0
0
0
5
0
6
0
7
0
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Publication Release Date: May, 2007
Revision 1.3