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DS1233A Data Sheet
OPERATION – PUSHBUTTON RESET
The DS1233A provides for a pushbutton switch to be connected to the RST output pin. When the DS1233A is not in a reset cycle, it continuously monitors the RST signal for a low going edge. If an edge is detected, the DS1233A will debounce the switch by pulling the RST line low. After the internal timer has expired, the DS1233A will continue to monitor the RST line. If the line is still low, the DS1233A will continue to monitor the line looking for a rising edge. Upon detecting a release, the DS1233A will force the RST line low and hold it low for 350 ms.
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