CS4223_03 Datasheet, PDF (27/34 Pages) Cirrus Logic – 24-Bit 105 dB Audio Codec with Volume Control

CS4223 CS4224
LRCK
SCLK
SDATA
Left Channel
MS B -1 -2 -3 -4 -5 +5 +4 +3 +2 +1 LS B
Right Channel
MSB -1 -2 -3 -4 +5 +4 +3 +2 +1 LSB
Master
I²S, up to 24-bit data
XTI=256, 384, 512 Fs (CS4223 -256 Fsonly)
LRCK = 4 to 50 kHz
SCLK = 64 Fs
I²S, up to 24-bit data
XTI = 256, 384, 512 Fs
LRCK = 4 to 50 kHz
SCLK = 48,64, 128 Fs
Slave
Figure 8. Serial Audio Format 0 (I²S)
LRCK
SCLK
SDATA
Left Channel
M SB -1 -2 -3 -4 -5 +5 +4 +3 +2 +1 LS B
Right Channel
M SB -1 -2 -3 -4 +5 +4 +3 +2 +1 LSB
Master
Left-justified, up to 24-bit data
XTI=256, 384, 512 Fs (CS4223-256Fsonly)
LRCK = 4 to 50 kHz
SCLK = 64 Fs
Slave
Left-justified, up to 24-bit data
XTI = 256, 384, 512 Fs
LRCK = 4 to 50 kHz
SCLK = 48, 64, 128 Fs
Figure 9. Serial Audio Format 1
LRCK
SCLK
SDATA
0
Left Channel
23 22 21 20 19 18
32 clo cks
76543210
R ight C hannel
23 22 21 20 19 18
76543210
Master
Right-justified, 24-bit data
XTI=256, 384, 512 Fs (CS4223-256Fsonly)
LRCK = 4 to 50 kHz
SCLK = 64 Fs
Slave
Right-justified, 24-bit data
XTI = 256, 384, 512 Fs
LRCK = 4 to 50 kHz
SCLK = 64 Fs
Figure 10. Serial Audio Format 2
DS290F1
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