Table 12. fault output truth table – Rainbow Electronics MAX5661 User Manual
Page 29
MAX5661
Single 16-Bit DAC with Current and Voltage
Outputs for Industrial Analog Output Modules
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FAULTI BIT
FAULTV BIT
FAULTEN BIT
INTERNAL FAULT SIGNAL
CLRFLAGEN
CLEARST BIT
FAULT
OUTPUT
FAULT
OUTPUT
1
0
X
X
0
0
0
1
1
X
1
0
0
1
0
0
X
1
0
1
X
X
1
0
0
0
1
1
0
X
X
0
1
1
1
0
CLRFLAGEN
BIT
CLEARST
BIT
CLEAR_
FLAG
CLEAR_
FLAG
FAULT_AT_OUTPUT
(INTERNALLY
GENERATED,
CANNOT BE READ)
CLEAR_FLAG
(INTERNALLY GENERATED,
CANNOT BE READ)
FAULTI BIT
FAULTEN BIT
FAULTV BIT
FAULT_AT_
OUTPUT
FAULT_AT_
OUTPUT
INTERNAL
FAULT SIGNAL
INTERNAL
FAULT SIGNAL
X = DON'T CARE.
Figure 9. FAULT Output Logic Diagram
OUTV SHORT
CIRCUITED
OUTI OPEN CIRCUITED
OR IN DROPOUT
CLEARST
BIT
FAULTEN BIT
CLRFLAGEN BIT
FAULT OUTPUT
No
No
0
X
X
High
No
No
X
X
0
High
X
X
1
X
1
Low
X
X
0
0
X
High
No
Yes
X
1
X
Low
X
X
X
0
0
High
Yes
No
X
1
X
Low
Table 12. FAULT Output Truth Table
X = Don’t care. Only one output (OUTV or OUTI) is active at a time.