Cirrus Logic CS42528 - Manual (Page 32)

32 DS586F2
CS42528
4.6.4 One-Line Mode (OLM) Configurations
4.6.4.1 OLM Config #1
One-Line Mode Configuration #1 can support up to 8 channels of DAC data, 6 channels of ADC data and
2 channels of S/PDIF received data. This is the only configuration which will support up to 24-bit samples
at a sampling frequency of 48 kHz on all channels for both the DAC and ADC.
Register / Bit Settings Description
Functional Mode Register (addr = 03h)
Set CODEC_FMx = SAI_FMx = 00,01,10 CX_LRCK must equal SAI_LRCK; sample rate conversion not supported
Set ADC_SP SELx = 00 Configure ADC data on CX_SDOUT, S/PDIF data on SAI_SDOUT
Interface Format Register (addr = 04h)
Set DIFx bits to proper serial format Select the digital interface format when not in One-Line Mode
Set ADC_OLx bits = 00,01,10 Select ADC operating mode, see table below for valid combinations
Set DAC_OLx bits = 00,01,10 Select DAC operating mode, see table below for valid combinations
Misc. Control Register (addr = 05h)
Set CODEC_SP M/S = 1 Configure CODEC Serial Port to master mode.
Set SAI_SP M/S = 1 Configure Serial Audio Interface Port to master mode.
Set EXT ADC SCLK = 0 Identify external ADC clock source as SAI Serial Port.
DAC Mode
Not One-Line Mode One-Line Mode #1 One-Line Mode #2
ADC Mode
Not One-
Line Mode
CX_SCLK=64 Fs
CX_LRCK=SSM/DSM/QSM
SAI_SCLK=64 Fs
SAI_LRCK=CX_LRCK CX_SCLK=128 Fs
CX_LRCK=SSM/DSM
SAI_SCLK=64 Fs
SAI_LRCK=CX_LRCK
not valid
One-Line
Mode #1
CX_SCLK=128 Fs
CX_LRCK=SSM/DSM
SAI_SCLK=64 Fs
SAI_LRCK=CX_LRCK CX_SCLK=128 Fs
CX_LRCK=SSM/DSM
SAI_SCLK=64 Fs
SAI_LRCK=CX_LRCK
not valid
One-Line
Mode #2
CX_SCLK=256 Fs
CX_LRCK=SSM
SAI_SCLK=64 Fs
SAI_LRCK=CX_LRCK
not valid
CX_SCLK=256 Fs
CX_LRCK=SSM
SAI_SCLK=64 Fs
SAI_LRCK=CX_LRCK
SCLK_PORT1
LRCK_PORT1
SDIN_PORT1
SCLK_PORT2
LRCK_PORT2
SDIN_PORT2
SCLK_PORT3
LRCK_PORT3
SDOUT1_PORT3
SDOUT2_PORT3
SDOUT3_PORT3
SDOUT4_PORT3
SAI_SCLK
SAI_LRCK
SAI_SDOUT
CX_SCLK
CX_LRCK
CX_SDOUT
CX_SDIN1
CX_SDIN2
CX_SDIN3
CX_SDIN4
RMCK
ADCIN1
ADCIN2
MCLK
SDOUT1
SDOUT2
LRCK
SCLK
64Fs
SPDIF Data
ADC Data
64Fs,128Fs, 256Fs
DIGITAL AUDIO
PROCESSOR
CS5361
CS5361
MCLK
Figure 16. OLM Configuration #1
CS42526