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EM6151

EM Microelectronic
Part Number EM6151
Manufacturer EM Microelectronic
Description Low Power Windowed Watchdog
Published Nov 22, 2009
Detailed Description R EM MICROELECTRONIC - MARIN SA EM6151 Low Power Windowed Watchdog with Reset, Sleep Mode Functions Description The EM...
Datasheet PDF File EM6151 PDF File

EM6151
EM6151

Overview
R EM MICROELECTRONIC - MARIN SA EM6151 Low Power Windowed Watchdog with Reset, Sleep Mode Functions Description The EM6151 offers a high level of integration by combining voltage monitoring and software monitoring using a windowed watchdog.
A comparator monitors the voltage applied at the VIN input comparing it with an internal voltage reference VREF.
The power-on reset function is initialized after VIN reaches VREF and takes the reset output inactive after a delay TPOR depending on external resistance ROSC.
The reset output goes active low when the VIN voltage is less than VREF.
The RES and EN outputs are guaranteed to be in a correct state for a supply voltage as low as 1.
2 V.
The watchdog function monitors software cycle time and execution.
If software clears the watchdog too quickly (incorrect cycle time) or too slowly (incorrect execution) it will cause the system to be reset.
For enhanced security, the watchdog must be serviced within an “open” time window.
During the remaining...


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