CS4223 查看數據表（PDF） - Cirrus Logic

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CS4223

24-Bit 105 dB Audio Codec with Volume Control

Cirrus Logic 

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

27

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