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
FSYNC-TDM (RFS)
RxCLK
TxCLK
TxDATA
TFS (NC)
AUXDATA1
DSDATA4
DBCLK
DLRCLK
DSDATA2
DSDATA3
MCLK
AUXTDMLRCLK AUXTDMBCLK DSDATA1
06106-019
Figure 18. Example of AUX Mode Connection to SHARC® (AD1934 as TDM Master/AUX Master Shown)