AD1939 Analog Devices, AD1939 Datasheet - Page 15

• Manufacturer Part Number: AD1939
• Description: (AD1935 - AD1939) 4 ADC/8 DAC
• Manufacturer: Analog Devices

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