P 64, Cs42l51 – Cirrus Logic CS42L51 User Manual
Page 64
64
DS679F1
CS42L51
Function:
The off-duration of the beep signal can be adjusted from approximately 75 ms to 680 ms. The off-duration
will scale inversely with sample rate, Fs, but is fixed at the nominal Fs within each speed mode. Refer to
for single-, multiple- and continuous-beep configurations using the REPEAT and
BEEP bits.
Beep Volume (BPVOL[4:0])
Default: 00000
Function:
The level of the beep into the output mixer can be adjusted in 2.0 dB increments from +12 dB to -50 dB.
Refer to
for single-, multiple- and continuous-beep configurations using the REPEAT
and BEEP bits. Levels are decoded as described in the table above.
6.16
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
for a description of each configuration option.
Beep (BEEP)
Default: 0
0 - Disabled
1 - Enabled
Function:
110
9.35 s
111
10.80 s
Binary Code
Volume Setting
00110
+12.0 dB
···
···
00000
0 dB
11111
-2 dB
11110
-4 dB
···
···
00111
-50 dB
7
6
5
4
3
2
1
0
REPEAT
BEEP
Reserved
TREB_CF1
TREB_CF0
BASS_CF1
BASS_CF0
TC_EN
OFFTIME[2:0]
Off Time
Fs = 12, 24, 48 or
96 kHz