Cirrus Logic CS42L73 - Manual (Page 114)

114 DS882F1
CS42L73
6.42 ALC Threshold AB (Address 31h)
6.42.1 ALC Maximum Threshold for Channels A and B
Sets the maximum level, below full scale, at which to limit and attenuate the input signal at the attack rate
(ALCARATEAB—
“ALC Attack Rate for Channels A and B” on page 113 ).
6.42.2 ALC Minimum Threshold for Channels A and B
Sets the minimum level at which to disengage the ALC’s attenuation or amplify the input signal at the re-
lease rate (ALCRRATEAB—
“ALC Release Rate for Channels A and B” on page 113 ) until levels lie be-
tween the ALCMAXAB and ALCMINAB thresholds.
Note: This setting is usually set slightly below the ALCMAXAB threshold.
7 6 5 4 3 2 1 0
ALCMAXAB2 ALCMAXAB1 ALCMAXAB0 ALCMINAB2 ALCMINAB1 ALCMINAB0 Reserved Reserved
ALCMAXAB[2:0] Threshold Setting
000
0 dB
001 -3 dB
010 -6 dB
... ...
111 -30 dB
ALCMINAB[2:0] Threshold Setting
000 0 dB
001 -3 dB
010 -6 dB
... ...
111 -30 dB