P 48, Cs43l21 – Cirrus Logic CS43L21 User Manual

Page 48

DS723F1

CS43L21

6.10

Beep Configuration & Tone Configuration (Address 14h)

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 10 on page 26

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 10 on page 26

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.

REPEAT

BEEP

Reserved

TREB_CF1

TREB_CF0

BASS_CF1

BASS_CF0

TC_EN