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MICROMONITOR BLOCK DIAGRAM Figure 1
IN
–
+
T.C.
REFERENCE
–
VCC
+
DIGITAL
SAMPLER
DIGITAL
SAMPLER
PBRST
ST
LEVEL SENSE
AND
DEBOUNCE
PUSH–BUTTON RESET Figure 2
PBRST
VCC
GND
IN
DS1706P
WDS
RST
ST
NMI
DS1705/DS1706
DIGITAL
DELAY
WATCHDOG
STATUS
LATCH
NMI
RST
DS1706_/A/R/S/T
RST
DS1706L/DS1706P
WDS
8051
µP
RST
ALE
PUSH–BUTTON RESET CONTROLLED BY NMI AND WDS Figure 3
UPSTREAM
SUPPLY
VOLTAGE
PBRST
VCC
GND
IN
DS1706
WDS
RST
ST
NMI
µP
RST
ALE
011296 3/10