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| APX823 Datasheet, PDF (7/12 Pages) Diodes Incorporated – PROCESSOR SUPERVISORY CIRCUITS | |||
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Application Circuit
VCC
RESET
APX8XX
MR
WDI
GND
APX823/APX824/APX825A
PROCESSOR SUPERVISORY CIRCUITS
CIN
100nF
VCC
VCC
RESET
Microprocessor
I/O
GND
Functional Block Diagram
VCC
Watchdog
Timer Logic
Reset
Logic
+
-
Vref
Transition
Detector
* APX824/APX825A
** APX823/APX825A
300K £[
Reset *
Reset
60K £[
MR **
WDI
APX823/APX824/APX825A Rev. 3
7 of 12
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated
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