CDB42L52 Cirrus Logic Inc, CDB42L52 Datasheet - Page 65

• Manufacturer Part Number: CDB42L52
• Description: Eval Bd LP Codec W/Class D Spkr Driver
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42L52

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42L52
• Primary Attributes: 4 Stereo Audio Inputs, Stereo Line and Speaker Outputs, S/PDIF Inputs and Outputs
• Secondary Attributes: GUI, I2C, SPI, USB Interfaces
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS42L52
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1505

DS680F1
6.29
6.29.1 Limiter Maximum Threshold
6.29.2 Limiter Cushion Threshold
6.29.3 Limiter Soft Ramp Disable
LMAX2
7
Limiter Control 1, Min/Max Thresholds (Address 27h)
Sets the maximum level, below full scale, at which to limit and attenuate the output signal at the attack
rate (LIMARATE -
Note:
trigger an attack.
Sets the minimum level at which to disengage the Limiter’s attenuation at the release rate (LIMRRATE -
“Limiter Release Rate” on page
Note:
Configures an override of the digital soft ramp setting.
Note:
LMAX[2:0]
000
001
010
011
100
101
110
111
Application:
CUSH[2:0]
000
001
010
011
100
101
110
111
Application:
LIMSRDIS
0
1
Application:
LMAX1
Bass, Treble, and digital gain settings that boost the signal beyond the maximum threshold may
This setting is usually set slightly below the LMAX threshold.
This bit is ignored when the DIGZC
6
Threshold Setting
0 dB
-3 dB
-6 dB
-9 dB
-12 dB
-18 dB
-24 dB
-30 dB
“Limiter” on page 31
Threshold Setting
0 dB
-3 dB
-6 dB
-9 dB
-12 dB
-18 dB
-24 dB
-30 dB
“Limiter” on page 31
Limiter Soft Ramp Disable
OFF; Limiter Attack Rate is dictated by the DIGSFT
ON; Limiter volume changes take effect in one step, regardless of the DIGSFT setting.
“Limiter” on page 31
“Limiter Release Rate” on page
LMAX0
5
66) until levels lie between the LMAX and CUSH thresholds.
CUSH2
4
5/13/08
(“Digital Zero Cross” on page
CUSH1
66).
3
(“Digital Soft Ramp” on page
CUSH0
2
53) is enabled.
LIMSRDIS
53) setting
1
CS42L52
LIMZCDIS
0
65