Analog Devices EVAL-AD1937AZ User Manual page 26

UG-040
HDR1_DSDATA4.oe = (DAC_DUAL_TDM # ADC_HDR_AUX # DAC_HDR1_AUX);
HDR1_ASDATA2.oe = (!ADC_HDR_TDM);
DBCLK = I_DBCLK;
DLRCLK = I_DLRCLK;
ABCLK = I_ABCLK;
ALRCLK = I_ALRCLK;
DSDATA1 = (HDR1_DSDATA1 & (DAC_HDR1_ALL # DAC_HDR1_IND # DAC_RX_2 # DAC_RX_3 # DAC_RX_4 #
DAC_HDR1_TDM # DAC_DUAL_TDM # ADC_HDR_AUX))
# (SDATA_8416 & (DAC_RX_ALL # DAC_RX_1)) # (0 & DAC_DATA_ZERO);
DSDATA2 = (HDR1_DSDATA1 & DAC_HDR1_ALL) # (HDR1_DSDATA2 & (DAC_HDR1_IND # ADC_HDR_AUX #
DAC_HDR1_AUX # DAC_RX_1 # DAC_RX_3 # DAC_RX_4))
# (SDATA_8416 & (DAC_RX_ALL # DAC_RX_2)) # (0 & DAC_DATA_ZERO);
DSDATA3 = (HDR1_DSDATA1 & (DAC_HDR1_ALL)) # (HDR1_DSDATA3 & (DAC_HDR1_IND # DAC_DUAL_TDM #
ADC_HDR_AUX # DAC_HDR1_AUX # DAC_RX_1 # DAC_RX_2 # DAC_RX_4))
# (SDATA_8416 & (DAC_RX_ALL # DAC_RX_3)) # (0 & DAC_DATA_ZERO);
DSDATA4 = (HDR1_DSDATA1 & (DAC_HDR1_ALL)) # (HDR1_DSDATA4 & (DAC_HDR1_IND # DAC_RX_1 #
DAC_RX_2 # DAC_RX_3))
# (SDATA_8416 & (DAC_RX_ALL # DAC_RX_4)) # (0 & DAC_DATA_ZERO);
HDR1_DBCLK = I_DBCLK;
HDR1_DLRCLK = I_DLRCLK;
HDR1_ABCLK = I_ABCLK;
HDR1_ALRCLK = I_ALRCLK;
HDR1_ASDATA1 = (ASDATA1 & (ADC_HDR_NORMAL # ADC_HDR_TDM # ADC_HDR_AUX # DAC_HDR1_AUX )) #
(ASDATA2 & ADC_HDR_DATA2_DATA1);
HDR1_ASDATA2 = ASDATA2;
ASDATA2 = HDR1_ASDATA2;
HDR1_DSDATA2 = DSDATA2;
HDR1_DSDATA4 = DSDATA4;
// Internal node signals
I_DBCLK = (BCLK_8416 & DAC_S/PDIF) # (HDR1_DBCLK & DAC_HDR1) # (DBCLK & DAC_DAC) #
(I_ABCLK & DAC_ADC);
I_DLRCLK = (LRCLK_8416 & DAC_S/PDIF) # (HDR1_DLRCLK & DAC_HDR1) # (DLRCLK & DAC_DAC) #
(I_ALRCLK & DAC_ADC);
I_ABCLK = (BCLK_8416 & ADC_S/PDIF) # (HDR1_ABCLK & ADC_HDR1) # (ABCLK & ADC_ADC) #
(I_DBCLK & ADC_DAC);
I_ALRCLK = (LRCLK_8416 & ADC_S/PDIF) # (HDR1_ALRCLK & ADC_HDR1) # (ALRCLK & ADC_ADC) #
(I_DLRCLK & ADC_DAC);
"====================================================================================
END IF_Logic
Rev. 0 | Page 26 of 32
Evaluation Board User Guide