AD1928YSTZ datasheet(23/32 Pages) AD

23 / 32 page

AD1928

Rev. 0 | Page 23 of 32

Table 13. Pin Function Changes in TDM-AUX Mode (Replication of Table 12)

Mnemonic

Stereo Modes

TDM Modes

AUX Modes

ADCTDMOUT

ADC TDM Data Output

TDM Data Output

ASDATA1

ADC1 Data Output

ADC TDM Data Input

AUX Data Output 1 (to External DAC 1)

DSDATA1

DAC1 Data Input

DAC TDM Data Input

TDM Data Input

DSDATA2

DAC2 Data Input

DAC TDM Data Output

AUX Data Input 1 (from External ADC 1)

DSDATA3

DAC3 Data Input

DAC TDM Data Input 2 (Dual-Line Mode)

AUX Data Input 2 (from External ADC 2)

DSDATA4

DAC4 Data Input

DAC TDM Data Output 2 (Dual-Line Mode)

AUX Data Output 2 (to External. DAC 2)

ALRCLK

ADC LRCLK Input/Output

ADC TDM Frame Sync Input/Output

TDM Frame Sync Input/Output

ABCLK

ADC BCLK Input/Output

ADC TDM BCLK Input/Output

TDM BCLK Input/Output

DLRCLK

DAC LRCLK Input/Output

DAC TDM Frame Sync Input/Output

AUX LRCLK Input/Output

DBCLK

DAC BCLK Input/Output

DAC TDM BCLK Input/Output

AUX BCLK Input/Output

AUX

ADC 1

LRCLK

BCLK

DATA

MCLK

AUX

ADC 2

LRCLK

BCLK

DATA

MCLK

AUX

DAC 1

AUX

DAC 2

LRCLK

BCLK

DATA

MCLK

LRCLK

BCLK

DATA

MCLK

30MHz

12.288MHz

SHARC IS RUNNING IN SLAVE MODE

(INTERRUPT-DRIVEN)

SHARC

AD1928

TDM MASTER

AUX MASTER

ASDATA1

DSDATA4

DBCLK

DLRCLK

DSDATA2

DSDATA3

MCLKI/XI

ADCTDMOUT ALRCLK ABCLK DSDATA1

Figure 26. Example of AUX Mode Connection to SHARC® (AD1928 as TDM Master/AUX Master Shown)

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