CS4331-BS Просмотр технического описания (PDF) - Cirrus Logic

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CS4331-BS

8 Pin Stereo D/A Converter for Digital Audio

Cirrus Logic 

CS4330, CS4331, CS4333

LRCK

SCLK

SDATA 1 0

Left Channel

Right Channel

17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Internal SCLK Mode

Right Justified, 18-Bit Data

Data Valid on Rising Edge of SCLK

INT SCLK = 64 Fs if MCLK/LRCK = 256 or 512

INT SCLK = 48 Fs if MCLK/LRCK = 384

External SCLK Mode

Right Justified, 18-Bit Data

Data Valid on Rising Edge of SCLK

SCLK must have at least 36 cycles per LRCK

Figure 4. CS4330 Data Format

LRCK

SCLK

SDATA

Left Channel

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Right Channel

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Internal SCLK Mode

I2S, 16-Bit Data

Data Valid on Rising Edge of SCLK

INT SCLK = 32 Fs if MCLK/LRCK = 512 or 256

INT SCLK = 48 Fs if MCLK/LRCK = 384

Figure 5. CS4331 Internal SCLK Data Format (I2S)

10

DS136F1

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