Instruction Manual

62 DS773F1
CS42L55
6.27.3 Limiter Release Rate
Sets the rate at which the limiter releases the digital attenuation from levels below the CUSH[2:0] thresh-
old (“Limiter Cushion Threshold” on page 61) and returns the analog output level to the MSTxVOL[7:0]
(“Master Volume Control” on page 57) setting.
Note: The limiter release rate is user-selectable but is also a function of the sampling frequency, Fs,
and the DIGSFT (“Digital Soft Ramp” on page 46) setting unless the disable bit (“Limiter Soft Ramp Dis-
able” on page 66) is enabled.
6.28 Limiter Attack Rate (Address 23h)
6.28.1 Limiter Attack Rate
Sets the rate at which the limiter applies digital attenuation from levels above the MAX[2:0] threshold
(“Limiter Maximum Threshold” on page 60).
Note: The limiter attack rate is user-selectable but is also a function of the sampling frequency, Fs, and
the DIGSFT (“Digital Soft Ramp” on page 46) setting unless the disable bit (“Limiter Soft Ramp Disable”
on page 66) is enabled.
6.29 ALC Enable & Attack Rate (Address 24h)
6.29.1 ALCx
Configures the automatic level controller (ALC).
LIMRRATE[5:0] Release Time
00 0000 Fastest Release
··· ···
11 1111 Slowest Release
Application: “Limiter” on page 32
76543210
Reserved Reserved LIMARATE5 LIMARATE4 LIMARATE3 LIMARATE2 LIMARATE1 LIMARATE0
LIMARATE[5:0] Attack Time
00 0000 Fastest Attack
··· ···
11 1111 Slowest Attack
Application: “Limiter” on page 32
76543210
ALCB ALCA ALCARATE5 AALCRATE4 ALCARATE3 ALCARATE2 ALCARATE1 ALCARATE0
ALC ALC Status
0 Disabled
1 Enabled
Application: “Automatic Level Control (ALC)” on page 24