CS42L56 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS42L56 Datasheet PDF : 92 Pages
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6.17 Master Volume Control:
MSTA (Address 13h) & MSTB (Address 14h)
7
MSTxVOL7
6
MSTxVOL6
5
MSTxVOL5
4
MSTxVOL4
3
MSTxVOL3
6.17.1 Master Volume Control
Sets the volume of the signal out the DSP.
MSTxVOL[7:0]
0001 1000
···
0000 0000
1111 1111
1111 1110
···
0011 0100
0011 0011
···
0001 1001
Step Size:
Master Volume
+12.0 dB
···
0 dB
-0.5 dB
-1.0 dB
···
-102 dB
Mute
···
Mute
0.5 dB
2
MSTxVOL2
6.18 Beep Frequency & On Time (Address 15h)
7
FREQ3
6
FREQ2
5
FREQ1
4
FREQ0
3
ONTIME3
2
ONTIME2
6.18.1 Beep Frequency
Sets the frequency of the beep signal.
FREQ[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Application:
Notes:
Frequency (Fs = 12, 24, 48 or 96 kHz)
260.87 Hz
521.74 Hz
585.37 Hz
666.67 Hz
705.88 Hz
774.19 Hz
888.89 Hz
1000.00 Hz
1043.48 Hz
1200.00 Hz
1333.33 Hz
1411.76 Hz
1600.00 Hz
1714.29 Hz
2000.00 Hz
2181.82 Hz
“Beep Generator” on page 45
Pitch
C4
C5
D5
E5
F5
G5
A5
B5
C6
D6
E6
F6
G6
A6
B6
C7
1. This setting must not change when BEEP is enabled.
2. Beep frequency will scale directly with sample rate, Fs.
DS851F2
CS42L56
1
MSTxVOL1
0
MSTxVOL0
1
ONTIME1
0
ONTIME0
69
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