ETRA SBC/Interfaces and Connectors/WDT
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Watchdog peripheral[edit | edit source]
Description[edit | edit source]
The Watchdog peripheral available on the Evaluation Kit is provided by the Maxim MAX6373.
The MAX6373 device has 3 configuration pins that allow to select the following:
- the startup delay from 3ms to 60s or first edge of the WDI signal
- the watchdog time (maximum time between WDI toggles) from 3ms to 10s or disable.
As default the device is configured for start the operations on first edge of the WDI signal with a timeout of 10s. For custom configurations please send an e-mail to email@example.com
Signals[edit | edit source]
The following table describes the interface signals:
|Pin#||SOM Pin#||Pin name||Pin function||Pin Notes|
|U6.7||J18.24||WDO||Watchdog output||system reset pin|
Device usage[edit | edit source]
To use the watchdog device toggle the WDI pin at least once every 5 seconds.