AD1937 AD [Analog Devices], AD1937 Datasheet - Page 25

• Manufacturer Part Number: AD1937
• Description: Four ADCs/Eight DACs with PLL, 192 kHz, 24-Bit Codec
• Manufacturer: AD [Analog Devices]

Table 19. Pin Function Changes in TDM and TDM/AUX Modes (Replication of Table 18)
Mnemonic
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
ADC 1
ADC 2
AUX
AUX
LRCLK
LRCLK
MCLK
MCLK
Figure 27. Example of TDM/AUX Mode Connection to SHARC® (AD1937 as TDM Master/AUX Master Shown)
BCLK
DATA
BCLK
DATA
12.288MHz
30MHz
TDM Modes
TDM ADC data out
TDM ADC data in
TDM DAC data in
TDM DAC data out
TDM DAC2 data in (dual-line mode)
TDM DAC2 data out (dual-line mode)
TDM ADC frame sync in/out
TDM ADC BCLK in/out
TDM DAC frame sync in/out
TDM DAC BCLK in/out
DBCLK
DLRCLK
DSDATA2
DSDATA3
MCLKI/MCLKXI
ASDATA1 ALRCLK ABCLK DSDATA1
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TDM MASTER
AUX MASTER
SHARC
AD1937
ASDATA2
DSDATA4
SHARC IS RUNNING IN SLAVE MODE
(INTERRUPT-DRIVEN)
TDM/AUX Modes
TDM data out
AUX DAC1 data out (to external DAC1)
TDM data in
AUX ADC1 data in (from external ADC1)
AUX ADC2 data in (from external ADC2)
AUX DAC2 data out (to external DAC2)
TDM frame sync in/out
TDM BCLK in/out
AUX LRCLK in/out
AUX BCLK in/out
LRCLK
BCLK
DATA
MCLK
LRCLK
BCLK
DATA
MCLK
DAC 1
DAC 2
AUX
AUX
AD1937