CS42L55 Datasheet, PDF (54/73 Pages) Cirrus Logic – Ultra Low Power, Stereo CODEC w/Class H Headphone Amp

CS42L55
6.16.2 Beep On Time
Sets the on duration of the beep signal.
ONTIME[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Application:
On Time (Fs = 12, 24 or 48 kHz)
~86 ms
~430 ms
~780 ms
~1.20 s
~1.50 s
~1.80 s
~2.20 s
~2.50 s
~2.80 s
~3.20 s
~3.50 s
~3.80 s
~4.20 s
~4.50 s
~4.80 s
~5.20 s
“Beep Generator” on page 31
Notes:
1. This setting must not change when BEEP is enabled.
2. Beep on time will scale inversely with sample rate, Fs, but is fixed at the nominal Fs within each speed
mode.
6.17 Beep Volume & Off Time (Address 15h)
7
OFFTIME2
6
OFFTIME1
5
OFFTIME0
4
BPVOL4
3
BPVOL3
2
BPVOL2
1
BPVOL1
0
BPVOL0
6.17.1 Beep Off Time
Sets the off duration of the beep signal.
OFFTIME[2:0]
000
001
010
011
100
101
110
111
Application:
Off Time (Fs = 12, 24 or 48 kHz)
~1.23 s
~2.58 s
~3.90 s
~5.20 s
~6.60 s
~8.05 s
~9.35 s
~10.80 s
“Beep Generator” on page 31
Notes:
1. This setting must not change when BEEP and/or REPEAT is enabled.
2. Beep off time will scale inversely with sample rate, Fs, but is fixed at the nominal Fs within each speed
mode.
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DS773F1