User guide

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
Figure 15 on page 36 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 Figure 15 on page 36 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 Figure 15 on page 36 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
76543210
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