CRD42L52 Cirrus Logic Inc, CRD42L52 Datasheet - Page 43

• Manufacturer Part Number: CRD42L52
• Description: REFERENCE DESIGN FOR CS42L52
• Manufacturer: Cirrus Logic Inc

Specifications of CRD42L52

• Main Purpose: Audio, CODEC
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CS42L52
• Primary Attributes: 2 Stereo Analog Inputs, Stereo Line and Headphone Outputs, S/PDIF Transmitter and Receiver
• Secondary Attributes: Graphical User Interface
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1580

DS680F1
6.2.3
6.2.4
6.3
6.3.1
6.3.2
6.3.3
Reserved
7
Power Control 2 (Address 03h)
Power Down ADCx
Configures the power state of ADC channel x.
Notes:
1. The CS42L52 employs a clever scheme for controlling the power to the ADC when PASSTHRU
Power Down
Configures the power state of the entire CODEC.
Power Down ADC Override
Configures an override of the power down control for ADCx.
Power Down MICx
Configures the power state of the microphone pre-amplifier for channel x.
Power Down MIC Bias
Configures the power state of the microphone bias circuit.
PDN
0
1
OVRDx
0
1
Application
PDN_MICx
0
1
Application
PDN_BIAS
0
1
PDN_ADCx
0
1
Application
input path. The PGAxSEL bits may be used to isolate the input signal(s) from the PGA outputs. When
the PGA is powered down, no input should be selected. Refer to
“PGA Input Mapping” on page 49
(“Passthrough Analog” on page
enabled. Refer to the referenced application.
Reserved
6
CODEC Status
Powered Up
Powered Down
PDN_ADC Override
Disable
Enable
“Analog In to Analog Out Passthrough” on page 32
MIC Pre-Amp Status
Powered Up
Powered Down
“MIC Inputs” on page 27
MIC Bias Status
Powered Up
Powered Down
ADC Status
Powered Up
Powered Down
“Analog In to Analog Out Passthrough” on page 32
Reserved
5
52) and PDN_OVRD
OVRDB
for the required settings.
4
5/13/08
OVRDA
3
(“Power Down ADC Override” on page
PDN_MICB
2
“ADC Input Select” on page 48
PDN_MICA
1
CS42L52
PDN_BIAS
43) are
0
and
43