CS42L51(2005) 查看數據表（PDF） - Cirrus Logic

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CS42L51
(Rev.:2005)

Low Power, Stereo CODEC with Headphone Amp

Cirrus Logic 

CS42L51

6.16 Beep Configuration & Tone Configuration (Address 14h)

7

REPEAT

6

BEEP

5

Reserved

4

3

2

TREB_CF1 TREB_CF0 BASS_CF1

1

BASS_CF0

0

TC_EN

NOTE: The DATA_SEL[1:0] bits in reg09h must be set to ‘01’b to enable function control in this register.

Repeat Beep (REPEAT)

Default: 0

0 - Disabled

1 - Enabled

Function:

This bit is used in conjunction with the BEEP bit to mix a continuous or periodic beep with the analog output.

Refer to Figure 16 on page 34 for a description of each configuration option.

Beep (BEEP)

Default: 0

0 - Disabled

1 - Enabled

Function:

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 16 on page 34 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.

62

DS679A2

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