CS42L51 查看數據表（PDF） - Cirrus Logic

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CS42L51

Low Power, Stereo CODEC with Headphone Amp

Cirrus Logic 

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 Figure 15 on page 36 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)

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

DS679F1

65

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