CS43L22 datasheet(48/66 Pages) CIRRUS

48 / 66 page

DS792F2

CS43L22

Confidential Draft

3/4/10

Notes:

This setting must not change when BEEP is enabled.

Beep frequency will scale directly with sample rate, Fs, but is fixed at the nominal Fs within each

speed mode.

7.15.2

Beep On Time

Sets the on duration of the beep signal.

Notes:

This setting must not change when BEEP is enabled.

Beep on time will scale inversely with sample rate, Fs, but is fixed at the nominal Fs within each speed

mode.

7.16

Beep Volume & Off Time (Address 1Dh)

7.16.1

Beep Off Time

Sets the off duration of the beep signal.

ONTIME[3:0]

On Time (Fs = 12, 24, 48 or 96 kHz)

0000

~86 ms

0001

~430 ms

0010

~780 ms

0011

~1.20 s

0100

~1.50 s

0101

~1.80 s

0110

~2.20 s

0111

~2.50 s

1000

~2.80 s

1001

~3.20 s

1010

~3.50 s

1011

~3.80 s

1100

~4.20 s

1101

~4.50 s

1110

~4.80 s

1111

~5.20 s

Application:

“Beep Generator” on page 22

543

OFFTIME2

OFFTIME1

OFFTIME0

BPVOL4

BPVOL3

BPVOL2

BPVOL1

BPVOL0

OFFTIME[2:0]

Off Time (Fs = 48 or 96 kHz)

000

~1.23 s

001

~2.58 s

010

~3.90 s

011

~5.20 s

100

~6.60 s

101

~8.05 s

110

~9.35 s

111

~10.80 s

Application:

“Beep Generator” on page 22

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