CS42L55 Datasheet, PDF (53/73 Pages) Cirrus Logic – Ultra Low Power, Stereo CODEC w/Class H Headphone Amp

6.16 Beep Frequency & On Time (Address 14h)
7
FREQ3
6
FREQ2
5
FREQ1
4
FREQ0
3
ONTIME3
2
ONTIME2
CS42L55
1
ONTIME1
0
ONTIME0
6.16.1 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:
Frequency (Fs = 12, 24 or 48 kHz)
254.76 Hz
509.51 Hz
571.65 Hz
651.04 Hz
689.34 Hz
756.04 Hz
869.45 Hz
976.56 Hz
1019.02 Hz
1171.88 Hz
1302.08 Hz
1378.67 Hz
1562.50 Hz
1674.11 Hz
1953.13 Hz
2130.68 Hz
“Beep Generator” on page 31
Notes:
1. This setting must not change when BEEP is enabled.
2. Beep frequency will scale directly with sample rate, Fs, but is fixed at the nominal Fs within each
speed mode.
DS773F1
53