ISL705ARH, ISL705BRH, ISL705CRH, ISL706ARH, ISL706BRH, ISL706CRH
Functional Block Diagrams
V
DD
V
V
DD
DD
RST
RST_OD
RST
POR
POR
POR
+
+
V
+
V
REF
V
REF
-
-
-
REF
MR
MR
MR
PB
PB
PB
WDO
PFO
WDO
PFO
WDO
PFO
WDI
WDT
WDT
WDT
WDI
WDI
PFI
PFI
PF
PFI
PF
PF
+
+
+
V
V
V
REF
-
REF
-
REF
-
GND
GND
GND
ISL705ARH, ISL706ARH
ISL705BRH, ISL706BRH
ISL705CRH, ISL706CRH
Timing Diagrams
V
RST
V
DD
1.2V
>t
MR
MR
t
RST
t
RST
t
RST
RST
<t
MD
RST
FIGURE 3. RST, RST, MR AND WDO TIMING DIAGRAM
V
RST
V
DD
1.2V
< t
< t
WD
< t
WD
WD
WDI
WDO
RST
t
WD
t
>t
WD
WP
t
RST
t
RST
FIGURE 4. WATCHDOG TIMING DIAGRAM
FN7662.0
September 15, 2011
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