Datasheet

REV. A
AD73360
–33–
DSP Tx REG
CONTROL WORD 1
1000 1001 0000 0011
DEVICE 1
ADC WORD 1*
0000 0000 0000 0000
DEVICE 2
0000 0000 0000 0000
DSP Rx REG
DON'T CARE
STEP 1
ADC WORD 2*
xxxx xxxx xxxx xxxx
DSP Tx REG
CONTROL WORD 2
1000 0001 0001 0011
DEVICE 1
CONTROL WORD 1*
1000 1001 0001 0011
DEVICE 2
xxxx xxxx xxxx xxxx
DSP Rx REG
DON'T CARE
STEP 2
ADC WORD 2*
xxxx xxxx xxxx xxxx
DSP Tx REG
CONTROL WORD 2
1000 0001 0001 0011
DEVICE 1
ADC WORD 1*
1000 1001 0001 0011
DEVICE 2
1000 1001 0001 0011
DSP Rx REG
DON'T CARE
STEP 3
ADC WORD 2*
xxxx xxxx xxxx xxxx
DSP Tx REG
CONTROL WORD
1000 0010 1110 0001
DEVICE 1
ADC WORD 1*
xxxx xxxx xxxx xxxx
DEVICE 2
xxxx xxxx xxxx xxxx
DSP Rx REG
DON'T CARE
STEP 4
ADC WORD 2*
xxxx xxxx xxxx xxxx
DSP Tx REG
CONTROL WORD
1000 1011 1000 1000
DEVICE 1
ADC WORD 1*
1000 1011 1000 1000
DEVICE 2
xxxx xxxx xxxx xxxx
DSP Rx REG
DON'T CARE
STEP 5
ADC WORD 2*
xxxx xxxx xxxx xxxx
DSP Tx REG
CONTROL WORD
1000 1000 0001 0011
DEVICE 1
ADC WORD 1*
1000 1000 0001 0011
DEVICE 2
xxxx xxxx xxxx xxxx
DSP Rx REG
DON'T CARE
STEP 6
ADC WORD 2*
xxxx xxxx xxxx xxxx
DSP Tx REG
CONTROL WORD 1
1000 0000 0001 0011
DEVICE 1
ADC WORD 1**
1000 1001 0001 0011
DEVICE 2
1000 0000 0001 0011
DSP Rx REG
ADC WORD 2
STEP 7
ADC WORD 2*
0000 0011 0101 1110
DSP Tx REG
CONTROL WORD 1
0111 1111 1111 1111
DEVICE 1
ADC WORD 1
0011 1100 1111 1110
DEVICE 2
0000 0011 0101 1110
DSP Rx REG
ADC WORD 2
STEP 8
ADC WORD 2
0000 0011 0101 1110
*ADC DATA RECEIVED BY THE DSP DURING THE PROGRAMMING PHASE SHOULD NOT BE CONSIDERED VALID RESULTS.
**THIS CONTROL WORD IS NOT INTENDED FOR THE DEVICE THAT HAS RECEIVED IT. ITS ADDRESS FIELD WILL BE DECREMENTED
AND THE DATA WILL BE TRANSMITTED TO THE NEXT DEVICE IN THE CASCADE.
Figure 35. Programming Two AD73360s in Cascade for Mixed Mode