
Preliminary Technical Data
AD1935/AD1936/AD1937/AD1938/AD1939
Rev. Pr
I
| Page 15 of 30
Pin Function Changes in TDM and AUX Modes
Pin Name
ASDATA1
ASDATA2
DSDATA1
DSDATA2
DSDATA3
DSDATA4
ALRCLK
ABCLK
DLRCLK
DBCLK
Stereo Modes
ADC1 Data Out
ADC2 Data Out
DAC1 Data In
DAC2 Data In
DAC3 Data In
DAC4 Data In
ADC LRCLK In/Out
ADC BCLK In/Out
DAC LRCLK In/Out
DAC BCLK In/Out
TDM Modes
ADC TDM Data Out
ADC TDM Data In
DAC TDM Data In
DAC TDM Data Out
DAC TDM Data In 2 (dual-line mode)
DAC TDM Data Out 2 (dual-line mode)
ADC TDM Frame Sync In/Out
ADC TDM BCLK In/Out
DAC TDM Frame Sync In/Out
DAC TDM BCLK In/Out
AUX Modes
TDM Data Out
AUX Data Out 1 (to Ext. DAC 1)
TDM Data In
AUX Data In 1 (from Ext. ADC 1)
AUX Data In 2 (from Ext. ADC 2)
AUX Data Out 2 (to Ext. DAC 2)
TDM Frame Sync In/Out
TDM BCLK In/Out
AUX LRCLK In/Out
AUX BCLK In/Out
Table 12
30MHz
12.288MHz
SHARC IS RUNNING IN SLAVE MODE
(INTERRUPT-DRIVEN)
F
R
R
T
T
T
ASDATA1
ALRCLK ABCLK DSDATA1
LRCLK
BCLK
DATA
MCLK
AUX
ADC 1
SHARC
AD193X
MCLK
DSDATA2
DLRCLK
LRCLK
BCLK
DATA
MCLK
AUX
ADC 2
LRCLK
BCLK
DATA
MCLK
AUX
DAC 1
LRCLK
BCLK
DATA
MCLK
AUX
DAC 2
DSDATA3
DBCLK
ASDATA2
DSDATA4
TDM MASTER
AUX MASTER
Figure 19. Example of AUX Mode Connection to SHARC (AD193X as TDM Master/AUX Master shown)