CS42L51 Datasheet, PDF (63/83 Pages) Cirrus Logic – Low Power, Stereo CODEC with Headphone Amp

CS42L51
6.17 Tone Control (Address 15h)
7
TREB3
6
TREB2
5
TREB1
4
TREB0
3
BASS3
2
BASS2
1
BASS1
0
BASS0
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)
Binary Code
0000
···
0111
1000
1001
···
1111
Gain Setting
+12.0 dB
···
+1.5 dB
0 dB
-1.5 dB
···
-10.5 dB
Function:
The level of the shelving treble gain filter is set by Treble Gain Level. The level can be adjusted in 1.5 dB
increments from +12.0 to -10.5 dB.
Bass Gain Level (BASS[3:0])
Default: 1000 dB (No Bass Gain)
Binary Code
0000
···
0111
1000
1001
···
1111
Gain Setting
+12.0 dB
···
+1.5 dB
0 dB
-1.5 dB
···
-10.5 dB
Function:
The level of the shelving bass gain filter is set by Bass Gain Level. The level can be adjusted in 1.5 dB in-
crements from +10.5 to -10.5 dB.
DS679A2
63