CS4340 datasheet(19/28 Pages) CIRRUS

Part #	CS4340

Description	24-Bit, 96 kHz Stereo DAC for Audio?

PDF	28 Pages

Scroll/Zoom	100%

Manufacturer	CIRRUS [Cirrus Logic]

Direct Link	http://www.cirrus.com

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19 / 28 page

CS4340

DS297PP3

6. DIGITALINTERFACE FORMATS

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

Internal SCLK Mode

External 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

I2S, up to 24-Bit Data

Data Valid on Rising Edge of SCLK

Figure 16. CS4340 Format 0 (I

2S)

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

Internal SCLK Mode

External 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

Left Justified, up to 24-Bit Data

Data Valid on Rising Edge of SCLK

Figure 17. CS4340 Format 1

CS4340 Datasheet(PDF) 19 Page - Cirrus Logic

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