AD1933

Data Sheet

Rev. E | Page 18 of 28

Table 12. Pin Function Changes in TDM-AUX Mode (Replication of Table 11)

Pin Name

Stereo Modes

TDM Modes

AUX Modes

AUXDATA1

Not Used (Float)

Not Used (Float)

AUX Data Out 1 (to External DAC 1)

DSDATA1

DAC 1 Data In

DAC TDM Data In

TDM Data In

DSDATA2

DAC 2 Data In

DAC TDM Data Out

Not Used (Ground)

DSDATA3

DAC 3 Data In

DAC TDM Data In 2 (Dual-Line Mode)

Not Used (Ground)

DSDATA4

DAC 4 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/TDM Frame Sync Out

AUXTDMBCLK

Not Used (Ground)

Not Used (Ground)

TDM BCLK In/TDM BCLK Out

DLRCLK

DAC LRCLK In/DAC LRCLK Out

DAC TDM Frame Sync In/DAC TDM Frame Sync Out

AUX LRCLK In/AUX LRCLK Out

DBCLK

DAC BCLK In/DAC BCLK Out

DAC TDM BCLK In/DAC TDM BCLK Out

AUX BCLK In/AUX BCLK 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

AD1933

TDM MASTER

AUX MASTER

AUXDATA1

DSDATA4

DBCLK

DLRCLK

DSDATA2

DSDATA3

MCLKI/XI

AUXTDMLRCLK

AUXTDMBCLK

DSDATA1

Figure 18. Example of AUX Mode Connection to SHARC® (AD1933 as TDM Master/AUX Master Shown)