AD1938YSTZ datasheet(16/32 Pages) AD

16 / 32 page

AD1938

Rev. 0 | Page 16 of 32

Table 12. Pin Function Changes in TDM and AUX Modes

Mnemonic

Stereo Modes

TDM Modes

AUX Modes

ASDATA1

ADC1 Data Out

ADC TDM Data Out

TDM Data Out

ASDATA2

ADC2 Data Out

ADC TDM Data In

AUX Data Out 1 (to Ext. DAC 1)

DSDATA1

DAC1 Data In

DAC TDM Data In

TDM Data In

DSDATA2

DAC2 Data In

DAC TDM Data Out

AUX Data In 1 (from Ext. ADC 1)

DSDATA3

DAC3 Data In

DAC TDM Data In 2 (Dual-Line Mode)

AUX Data In 2 (from Ext. ADC 2)

DSDATA4

DAC4 Data In

DAC TDM Data Out 2 (Dual-Line Mode)

AUX Data Out 2 (to Ext. DAC 2)

ALRCLK

ADC LRCLK In/Out

ADC TDM Frame Sync In/Out

TDM Frame Sync In/Out

ABCLK

ADC BCLK In/Out

ADC TDM BCLK In/Out

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

LEFT

RIGHT

MSB

ALRCLK

ABCLK

DSDATA1

(TDM_IN)

DLRCLK

(AUX PORT)

DBCLK

(AUX PORT)

ASDATA2

(AUX1_OUT)

DSDATA4

(AUX2_OUT)

MSB

EMPTY

DAC L1 DAC R1 DAC L2 DAC R2 DAC L3 DAC R3 DAC L4 DAC R4 AUX L1 AUX R1 AUX L2 AUX R2

8-ON-CHIP DAC CHANNELS

AUXILIARY DAC CHANNELS

WILL APPEAR AT

AUX DAC PORTS

UNUSED SLOTS

32 BITS

Figure 14. 16-Channel AUX DAC Mode

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