CRD42L51 Cirrus Logic Inc, CRD42L51 Datasheet - Page 65

• Manufacturer Part Number: CRD42L51
• Description: Ref Bd Low-voltage Stereo Codec
• Manufacturer: Cirrus Logic Inc

DS679F1
6.17
Note: The DATA_SEL[1:0] bits in reg09h must be set to ‘01’b to enable function control in this register.
TREB3
7
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
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.
Tone Control (Address 15h)
Treble Gain Level (TREB[3:0])
Default: 1000 dB (No Treble Gain)
Binary Code
0000
1000
1001
0111
1111
TREB2
···
···
6
TREB1
5
Gain Setting
+12.0 dB
-10.5 dB
+1.5 dB
-1.5 dB
0 dB
···
···
TREB0
4
BASS3
3
Figure 15 on page 36
BASS2
2
for a description of each con-
BASS1
1
CS42L51
BASS0
0
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