Download 1.2 A Programmable Device Power Supply AD5560

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AD5560
Data Sheet
Table 25. Alarm Status and Clear Alarm Status Register
Address
0x43
Register
Alarm status
Default
0x0000
0x44
Alarm status
and clear alarm
0x0000
0x45
0x46
0x47
0x48
0x49
0x4A
0x4B to
0x7F
CPL DAC x1
CPL DAC m
CPL DAC c
CPH DAC x1
CPH DAC m
CPH DAC c
Reserved
0x0000
0xFFFF
0x8000
0xFFFF
0xFFFF
0x8000
Data Bits, MSB first
This register is a read-only register providing information on the status of the alarm functions and
the comparator outputs.
Bit
Name
Function
15
LTMPALM Latched temperature alarm bit; if low, this bit indicates that an alarm event has
occurred.
14
Unlatched alarm bit; if low, these bit indicates that an alarm event is still
TMPALM
present.
13
Latched open-sense alarm bit; if low, indicates that an alarm event has
LOSALM
occurred.
12
Unlatched open-sense alarm bit; if low, indicates that an alarm event is still
OSALM
present.
11
LDUTALM Latched DUTGND Kelvin sense alarm; if low, indicates that an alarm event has
occurred.
10
Unlatched DUTGND Kelvin sense alarm; if low, indicates that an alarm event is still
DUTALM
present.
9
Latched clamp alarm; if low, indicates that an alarm event has occurred.
LCLALM
8
Unlatched clamp alarm; if low, indicates that an alarm event is still present.
CLALM
7
LGRDALM Latched guard alarm; if low, indicates that an alarm event has occurred.
6
Unlatched guard alarm; if low, indicates that an alarm event is still present.
GRDALM
5
CPOL
Comparator output low condition as per the comparator output pin.
4
CPOH
Comparator output high condition as per the comparator output pin.
3:0
Unused
Must be zeros.
This register is a read-only register providing information on the status of the alarm functions and
the comparator outputs. Reading this register also automatically clears any latched alarm pins or bits.
Bit
Name
Function
15
LTMPALM Latched temperature alarm bit; if low, this bit indicates that an alarm event has
occurred.
14
Unlatched alarm bit; if low, these bit indicates that an alarm event is still
TMPALM
present.
13
Latched open-sense alarm bit; if low, indicates that an alarm event has
LOSALM
occurred.
12
Unlatched open-sense alarm bit; if low, indicates that an alarm event is still
OSALM
present.
11
LDUTALM Latched DUTGND Kelvin sense alarm; if low, indicates that an alarm event has
occurred.
10
Unlatched DUTGND Kelvin sense alarm; if low, indicates that an alarm event is still
DUTALM
present.
9
Latched clamp alarm; if low, indicates that an alarm event has occurred.
LCLALM
8
Unlatched clamp alarm; if low, indicates that an alarm event is still present.
CLALM
7
LGRDALM Latched guard alarm; if low, indicates that an alarm event has occurred.
6
Unlatched guard alarm; if low, indicates that an alarm event is still present.
GRDALM
5
CPOL
Comparator output low condition as per the comparator output pin.
4
CPOH
Comparator output high condition as per the comparator output pin.
3:0
Unused
Must be zeros.
D15 to D0.
D15 to D0.
D15 to D0.
D15 to D0.
D15 to D0.
D15 to D0.
Reserved.
Rev. D | Page 56 of 68
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