Cirrus-logic CS4221 Manual do Utilizador descarregar pdf (Página 25)

CS4220 CS4221

DS284PP3 25

Master Slave

I

2

S, up to 24-bit data

XTI = 256, 384, 512 Fs (CS4223 - 256 Fs only)

LRCK = 4 to 50 kHz

SCLK = 64 Fs

I

2

S, up to 24-bit data

XTI = 256, 384, 512 Fs

LRCK = 4 to 50 kHz

SCLK = 48,64, 128 Fs

LRCK

SCLK

Left Channel

Right Channel

SDATA +3 +2 +1

LSB

+5 +4

MSB

-1 -2 -3 -4 -5

+3 +2 +1

LSB

+5 +4

MSB

-1 -2 -3 -4

Figure 8. Serial Audio Format 0 (I

2

S)

Figure 9. Serial Audio Format 1

Master Slave

Left-justified, up to 24-bit data

XTI = 256, 384, 512 Fs (CS4223 - 256 Fs only)

LRCK = 4 to 50 kHz

SCLK = 64 Fs

Left-justified, up to 24-bit data

XTI = 256, 384, 512 Fs

LRCK = 4 to 50 kHz

SCLK = 48, 64, 128 Fs

LRCK

SCLK

Left Channel

Right Channel

SDATA +3 +2 +1

LSB

+5 +4

MSB

-1 -2 -3 -4 -5

+3 +2 +1

LSB

+5 +4

MSB

-1 -2 -3 -4

Figure 10. Serial Audio Format 2

Master Slave

Right-justified, 24-bit data

XTI = 256, 384, 512 Fs (CS4223 - 256 Fs only)

LRCK = 4 to 50 kHz

SCLK = 64 Fs

Right-justified, 24-bit data

XTI = 256, 384, 512 Fs

LRCK = 4 to 50 kHz

SCLK = 64 Fs

LRCK

SCLK

Left Channel

SDATA

65432107

23 22 21 20 19 18

65432107

23 22 21 20 19 18

32 clocks

0

Right Channel

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 31 32

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