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# 1.2.5.3 Supply Controller Configuration

Figure 1-43.Supply Monitor Configuration

The Demo Meter application enters a Low-Power mode (Back-up mode) in two ways:

- When the user types the command DCB in the console
- When the Scroll-up button is pressed and, then, without releasing it, Scroll-down button is pressed

Figure 1-44.Back-up Mode Configuration

The system wakes up when the user pushes the TAMPER or FWUP buttons if the main power supply was restored.

Note: The user can easily change the code to add other Transition modes to Low-Power mode. In some cases, it could be useful to switch to Low-Power mode when a power outage is detected or depending on the microcontroller voltage supply monitor information. These transitions could be combined with writing on external memory to store relevant data.
Figure 1-45.Low-Power Configuration
Figure 1-46.Tamper Detection

Rev: E