CS4340-BS View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS4340-BS

24-Bit, 96 kHz Stereo DAC for Audio

Cirrus Logic 

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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

19

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