CDB42L55 Cirrus Logic Inc, CDB42L55 Datasheet - Page 60

• Manufacturer Part Number: CDB42L55
• Description: Eval Bd Ultra Low Power Stereo Codec
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42L55

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42L55
• Primary Attributes: 2 Stereo Analog Inputs, Stereo Line and Headphone Outputs, S/PDIF Transmitter and Receiver
• Secondary Attributes: GUI, USB, RS232, I2C Interfaces, USB or External or Battery Power Supply
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1506; CDB-42L55

60
6.25
6.25.1 PCM Mix Channel Swap
6.25.2 ADC Mix Channel Swap
6.26
6.26.1 Limiter Maximum Threshold
PCMBSWP1
LMAX2
7
7
ADC & PCM Channel Mixer (Address 20h)
Limiter Min/Max Thresholds (Address 21h)
Configures a mix/swap of the PCM Mix to the headphone/line outputs.
Configures a mix/swap of the ADC Mix to the headphone/line outputs. .
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.
PCMxSWP[1:0]
00
01
10
11
ADCxSWP[1:0]
00
01
10
11
LMAX[2:0]
000
001
010
011
100
101
110
111
Application:
PCMBSWP0
LMAX1
Bass, Treble and digital gain settings that boost the signal beyond the maximum threshold may
6
6
PCM Mix to HP/LINEOUTA
Left
(Left + Right)/2
Right
ADC Mix to HP/LINEOUTA Channel
Left
(Left + Right)/2
Right
Threshold Setting
0 dB
-3 dB
-6 dB
-9 dB
-12 dB
-18 dB
-24 dB
-30 dB
“Limiter” on page 32
“Limiter Release Rate” on page
PCMASWP1
LMAX0
5
5
PCMASWP0
CUSH2
4
4
ADCBSWP1
62).
CUSH1
3
3
PCM Mix to HP/LINEOUTB
Right
(Left + Right)/2
Left
ADC Mix to HP/LINEOUTB Channel
Right
(Left + Right)/2
Left
ADCBSWP0
CUSH0
2
2
ADCASWP1
Reserved
1
1
CS42L55
ADCASWP0
Reserved
DS773F1
0
0