AD1934

Rev. 0 | Page 19 of 28

Table 13. Pin Function Changes in TDM and AUX Modes (Replication of Table 12)

Pin Name

Stereo Modes

TDM Modes

AUX Modes

AUXDATA1

Not Used (Float)

Not Used (Float)

AUX Data Out 1 (to External DAC 1)

DSDATA1

DAC1 Data In

DAC TDM Data In

TDM Data In

DSDATA2

DAC2 Data In

DAC TDM Data Out

Not Used (Ground)

DSDATA3

DAC3 Data In

DAC TDM Data In 2 (Dual-Line Mode)

Not Used (Ground)

DSDATA4

DAC4 Data In

DAC TDM Data Out 2 (Dual-Line Mode)

AUX Data Out 2 (to External DAC 2)

AUXTDMLRCLK

Not Used (Ground)

Not Used (Ground)

TDM Frame Sync In/Out

AUXTDMBCLK

Not Used (Ground)

Not Used (Ground)

TDM BCLK In/Out

DLRCLK

DAC LRCLK In/Out

DAC TDM Frame Sync In/Out

AUX LRCLK In/Out

DBCLK

DAC BCLK In/Out

DAC TDM BCLK In/Out

AUX BCLK In/Out

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

AD1934

TDM MASTER

AUX MASTER

AUXDATA1

DSDATA4

DBCLK

DLRCLK

DSDATA2

DSDATA3

MCLK

AUXTDMLRCLK AUXTDMBCLK

DSDATA1

Figure 18. Example of AUX Mode Connection to SHARC® (AD1934 as TDM Master/AUX Master Shown)