CS4340 Datasheet, PDF (19/28 Pages) Cirrus Logic – 24-Bit, 96 kHz Stereo DAC for Audio

6. DIGITALINTERFACEFORMATS
CS4340
LRCK
SCLK
SDATA
Left Channel
MSB -1 -2 -3 -4 -5 +5 +4 +3 +2 +1 LSB
Right Channel
MSB -1 -2 -3 -4 +5 +4 +3 +2 +1 LSB
Internal SCLK Mode
I²S, 16-Bit data and INT SCLK = 32 Fs if
MCLK/LRCK = 512, 256 or 128
I²S, up to 24-Bit data and INT SCLK = 48 Fs if
MCLK/LRCK = 384 or 192
External SCLK Mode
I²S, up to 24-Bit Data
Data Valid on Rising Edge of SCLK
Figure 16. CS4340 Format 0 (I²S)
LRCK
SCLK
SDATA
Left Channel
MSB -1 -2 -3 -4 -5 +5 +4 +3 +2 +1 LSB
Right Channel
MSB -1 -2 -3 -4 +5 +4 +3 +2 +1 LSB
Internal SCLK Mode
Left Justified, up to 24-Bit Data
INT SCLK = 64 Fs if MCLK/LRCK = 512, 256 or 128
INT SCLK = 48 Fs if MCLK/LRCK = 384 or 192
External SCLK Mode
Left Justified, up to 24-Bit Data
Data Valid on Rising Edge of SCLK
Figure 17. CS4340 Format 1
DS297PP3
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