Cirrus-logic CS43L22 Instrukcja Użytkownika Pobierz pdf (Strona 48)

48 DS792F2

CS43L22

Confidential Draft

3/4/10

Notes:

1. This setting must not change when BEEP is enabled.

2. 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:

1. This setting must not change when BEEP is enabled.

2. 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

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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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