CRD42L51 Cirrus Logic Inc, CRD42L51 Datasheet - Page 64

• Manufacturer Part Number: CRD42L51
• Description: Ref Bd Low-voltage Stereo Codec
• Manufacturer: Cirrus Logic Inc

64
6.16
Note: The DATA_SEL[1:0] bits in reg09h must be set to ‘01’b to enable function control in this register.
REPEAT
7
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
Figure 15 on page 36
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
and BEEP bits. Levels are decoded as described in the table above.
Beep Configuration & Tone Configuration (Address 14h)
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
Beep (BEEP)
Default: 0
0 - Disabled
1 - Enabled
Function:
OFFTIME[2:0]
Binary Code
110
111
Figure 15 on page 36
Figure 15 on page 36
00110
00000
11110
00111
11111
BEEP
···
···
6
Fs = 12, 24, 48 or
Reserved
for single-, multiple- and continuous-beep configurations using the REPEAT and
Off Time
96 kHz
10.80 s
9.35 s
Volume Setting
5
for single-, multiple- and continuous-beep configurations using the REPEAT
+12.0 dB
for a description of each configuration option.
-50 dB
-2 dB
-4 dB
0 dB
···
···
TREB_CF1
4
TREB_CF0
3
BASS_CF1
2
BASS_CF0
1
CS42L51
TC_EN
DS679F1
0