CS42426_05 CIRRUS [Cirrus Logic], CS42426_05 Datasheet - Page 32
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CS42426_05
Manufacturer Part Number
CS42426_05
Description
114 dB, 192 kHz 6-Ch Codec with PLL
Manufacturer
CIRRUS [Cirrus Logic]
Datasheet
1.CS42426_05.pdf
(73 pages)
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Functional Mode Register (addr = 03h)
Interface Format Register (addr = 04h)
Misc. Control Register (addr = 05h)
Set DAC_FMx = 00,01,10
Set ADC_FMx = 00,01,10
Set ADC_CLK_SEL = 1
Set DIFx bits to proper serial format
Set ADC_OLx bits = 00,01,10
Set DAC_OLx bits = 00,01
Set DAC_SP M/S = 1
Set ADC_SP M/S = 1
Set EXT ADC SCLK = 1
ADC Mode
4.5.4.2
This configuration will support up to 6 channels of DAC data or 6 channels of ADC data and will handle up
to 20-bit samples at a sampling-frequency of 96 kHz on all channels for both the DAC and ADC. The output
data stream of the internal and external ADCs is configured to use the ADC_SDOUT output and run at the
DAC Serial Port sample frequency.
Register / Bit Settings
Line Mode
Not One-
One-Line
One-Line
Mode #1
Mode #2
OLM Config #2
CS5361
DAC_SCLK=64Fs
DAC_LRCK=SSM/DSM/QSM
ADC_SCLK=64Fs
ADC_LRCK=SSM/DSM/QSM
DAC_SCLK=64Fs
DAC_LRCK=SSM/DSM
ADC_SCLK=128Fs
ADC_LRCK=DAC_LRCK
DAC_SCLK=64Fs
DAC_LRCK=SSM
ADC_SCLK=256Fs
ADC_LRCK=DAC_LRCK
CS5361
SDOUT1
SDOUT2
SCLK
MCLK
LRCK
Not One-Line Mode
Figure 18. OLM Configuration #2
RMCK
ADCIN1
ADCIN2
CS42426
DAC_LRCK can run at SSM, DSM or QSM independent of ADC_LRCK
ADC_LRCK can run at SSM, DSM or QSM independent of DAC_LRCK
Select ADC operating mode, see table below for valid combinations
Select DAC operating mode, see table below for valid combinations
Configure ADC_SDOUT to be clocked from the ADC_SP clocks.
Select the digital interface format when not in One-Line Mode
ADC_SDOUT
DAC_SDIN1
DAC_SDIN2
DAC_SDIN3
DAC_LRCK
DAC_SCLK
ADC_SCLK
ADC_LRCK
Identify external ADC clock source as DAC Serial Port.
DAC_SCLK=128Fs
DAC_LRCK=SSM
ADC_SCLK=64Fs
ADC_LRCK=SSM/DSM/QSM
DAC_SCLK=128Fs
DAC_LRCK=SSM
ADC_SCLK=128Fs
ADC_LRCK=DAC_LRCK
Set DAC Serial Port to Master Mode.
Set ADC Serial Port to Master Mode.
One-Line Mode #1
DAC Mode
64Fs,128Fs
64Fs,128Fs,
ADC Data
256Fs
not valid
Description
SDIN_PORT1
LRCK_PORT2
SDOUT1_PORT2
SDOUT2_PORT2
SDOUT3_PORT2
MCLK
SCLK_PORT1
LRCK_PORT1
SCLK_PORT2
DIGITAL AUDIO
PROCESSOR
One-Line Mode #2
not valid
not valid
not valid
CS42426
DS604F1
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