CDB-43L21 Cirrus Logic Inc, CDB-43L21 Datasheet - Page 53

• Manufacturer Part Number: CDB-43L21
• Description: EVAL BOARD FOR CS43L21
• Manufacturer: Cirrus Logic Inc

Specifications of CDB-43L21

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Single Ended
• Sampling Rate (per Second): 96k
• Data Interface: I²C, SPI™
• Dac Type: Voltage
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -10°C ~ 70°C
• Utilized Ic / Part: CS43L21
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1282; CDB-43L21

DS723A1
6.18
CHRG_FREQ
7
3
Signal Processing Engine Overflow (SPEX_OVFL)
Default: 0
Function:
Indicates a digital overflow condition within the data path after the signal processing engine.
PCMX Overflow (PCMX_OVFL)
Default: 0
Function:
Indicates a digital overflow condition within the data path of the PCM mix.
Charge Pump Frequency (Address 21h)
Charge Pump Frequency (CHRG_FREQ[3:0])
Default: 0101
Function:
Alters the clocking frequency of the charge pump in 1/(N+2) fractions of the DAC oversampling rate, 128Fs,
should the switching frequency interfere with other system frequencies such as those in the AM radio band.
Note:
15
N
...
0
CHRG_FREQ
CHRG_FREQ[3:0]
Distortion performance may be affected.
6
2
0000
1111
...
CHRG_FREQ
5
1
Frequency
64xFs
---------------- -
N
CHRG_FREQ
+
2
4
0
Reserved
3
Reserved
2
Reserved
1
CS43L21
Reserved
0
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