CS4350(2006) 查看數據表（PDF） - Cirrus Logic

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CS4350
(Rev.:2006)

192 kHz Stereo DAC with Integrated PLL

Cirrus Logic 

4.3.1

CS4350

Time-Division Multiplex (TDM) Mode

Four TDM interface modes are available that allow the CS4350 to input stereo PCM data in one of 4 time

“slots”. Figure 11 shows the serial port connections necessary to input 8-channel TDM data into four

CS4350 devices, and the corresponding DIF[2:0] pin or register-bit settings required for each CS4350.

Figure 12 shows the TDM data format for each of the four CS4350 devices shown in Figure 11.

.

CS43501

DIF[2:0] = 100

CS43502

DIF[2:0] = 101

CS43503

DIF[2:0] = 110

CS43504

DIF[2:0] = 111

LRCK

SCLK

SDIN

ILRCK

ISCLK

SDIN

LRCK

SCLK

SDIN

LRCK

SCLK

SDIN

LRCK SCLK TDM_OUT

TDM Source

Figure 11. TDM Mode Connection Diagram

LRCK

SCLK

SDIN1

256 clks

MSB

Slot 1, ch A

32 clks

MSB

Slot 1, ch B

32 clks

MSB

Slot 2, ch A

32 clks

MSB

Slot 2, ch B

32 clks

MSB

Slot 3, ch A

32 clks

MSB

Slot 3, ch B

32 clks

MSB

Slot 4, ch A

32 clks

MSB

Slot 4, ch B

32 clks

Data

MSB

LSB

zero

Figure 12. TDM Mode Timing

DS691A3

19

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