鈥?/div>
rated supply voltage 5.0 V;
generation of reset signal when power supply is on for
correct start of microprocessor;
generation of reset signal when power supply drops below
the operating one to avoid incorrect functioning of
microprocessor;
generation of reset signal when pushing reset button;
possibility to program threashold voltage
at which reset signal is generated.
KK1705
ORDERING INFORMATION
KK1705N
Plastic
KK1705D
SOIC
T
A
= -40擄 to 85擄 C for all packages.
The IN1705 contains a source of reference voltage,
two analog comparators, watchdog timer, digital sampler,
digital delay..
Functions:
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
generation of reset signal per fixed level of supply
voltage;
generation of reset signal from external 鈥淩eset鈥?button;
generation of signal of watchdog timer status;
emergency interruption of primary power source.
PBRST 1
8
7
6
5
WDS
RST
ST
NMI
Vcc
2
GND
3
IN 4
Fig. 2 鈥?Pin assignment
1
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