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CS43130 Datasheet(PDF) 57 Page - Cirrus Logic

Part # CS43130
Description  130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver
PDF  137 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43130 Datasheet(HTML) 57 Page - Cirrus Logic

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DS1073F1
57
CS43130
5.4 Alert Mixing Shutdown
2. Power up and verify communication with CS43130. If there is no communication, it is possible that the crystal did
not start. Check power rails and load capacitance and try again.
3. Clear PDN_CLKOUT in the Power Down Control (0x20000) register. This sets the clock output at MCLK_INT/2
frequency from CLKOUT pin.
4. Measure the frequency and verify that it is within acceptable range of the desired frequency. If yes, continue
normal operation. If not, power down the chip, change the load capacitor values and go back to step 2.
Note: These steps need to be performed only once per PCB.
5.4 Alert Mixing Shutdown
To prevent a DSD mute pattern from turning off the DAC while mixing DSD data with PCM data, turn off the auto mute by
clearing the DSD_AMUTE bit.
5.5 Enable/Disable Nonoversampling Filter
If the user decides to use the nonoversampling filter, the following sequences must be followed to enable/disable the
nonoversampling filter.
5.5.1
Nonoversampling Filter Enable Sequence
5.5.2
Nonoversampling Filter Disable Sequence
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION
Configure PCM filter
0x10010
0x99
0xC0001
0x0C
PCM Filter Option 0x90000
0x22
FILTER_SLOW_FASTB
PHCOMP_LOWLATB
NOS
Reserved
HIGH_PASS
DEEMP_ON
0
0
1
000
1
0
Nonoversampling filter is selected
High-pass filter is selected
0x10010
0x0
TASK
REGISTER/BIT FIELDS
VALUE
DESCRIPTION
Configure PCM filter
0x10010
0x99
0xC0001
0x0D
PCM Filter Option 0x90000
0x02
FILTER_SLOW_FASTB
PHCOMP_LOWLATB
NOS
Reserved
HIGH_PASS
DEEMP_ON
0
0
0
000
1
0
High-pass filter is selected
0x10010
0x0



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