Cirrus Logic CS42L56 - Manual (Page 71)

DS851F2 71
CS42L56
6.19.2 Beep Volume
Sets the volume of the beep signal.
6.20 Beep & Tone Configuration (Address 17h)
6.20.1 Beep Configuration
Configures a beep mixed with the HP and Line output.
Notes:
1. When used in analog pass through mode, the output alternates between the signal from the PGA and
the beep signal. The beep signal does not mix with the analog signal from the PGA.
2. Re-engaging the beep before it has completed its initial cycle may cause the beep signal to remain
ON for the maximum ONTIME duration.
6.20.2 Treble Corner Frequency
Sets the corner frequency for the treble shelving filter.
BPVOL[4:0] Gain
00110 +6.0 dB
··· ···
00000 0 dB
11111 -2 dB
11110 -4 dB
··· ···
00111 -50 dB
Step Size: 2 dB
Application: “Beep Generator” on page 45
7 6 5 4 3 2 1 0
BEEP1 BEEP0 Reserved TREBCF1 TREBCF0 BASSCF1 BASSCF0 TCEN
BEEP[1:0] Beep Occurrence
00 Off
01 Single
10 Multiple
11 Continuous
Application: “Beep Generator” on page 45
TREBCF[1:0] Treble Corner Frequency Setting
00 5 kHz
01 7 kHz
10 10 kHz
11 15 kHz