17 tone control (address 15h), P 65, Cs42l51 – Cirrus Logic CS42L51 User Manual
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DS679F1
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CS42L51
This bit is used in conjunction with the REPEAT bit to mix a continuous or periodic beep with the analog
output.
Note: Re-engaging the beep before it has completed its initial cycle will cause the beep signal to
remain ON for the maximum ONTIME duration. Refer to
for a description of each con-
figuration option.
Treble Corner Frequency (TREB_CF[1:0])
Default: 00
00 - 5 kHz
01 - 7 kHz
10 - 10 kHz
11 - 15 kHz
Function:
The treble corner frequency is user selectable as shown above.
Bass Corner Frequency (BASS_CF[1:0])
Default: 00
00 - 50 Hz
01 - 100 Hz
10 - 200 Hz
11 - 250 Hz
Function:
The bass corner frequency is user-selectable as shown above.
Tone Control Enable (TC_EN)
Default = 0
0 - Disabled
1 - Enabled
Function:
The Bass and Treble tone control features are active when this bit is enabled.
6.17
Tone Control (Address 15h)
Note: The DATA_SEL[1:0] bits in reg09h must be set to ‘01’b to enable function control in this register.
Treble Gain Level (TREB[3:0])
Default: 1000 dB (No Treble Gain)
7
6
5
4
3
2
1
0
TREB3
BASS3
BASS2
BASS1
BASS0
Binary Code
0000
+12.0 dB
···
···
0111
1000
0 dB
1001
-1.5 dB
···
···
1111
-10.5 dB