44.2 Features
The following are key features of the AC module:
- Two individual comparators
- Selectable propagation delay versus current consumption
- Selectable hysteresis
- 4-levels , Always ON
- Analog comparator outputs available on pins
- Asynchronous or synchronous
- Flexible input selection:
- Four pins selectable for positive or negative inputs
- Ground (for zero crossing)
- One dedicated 7-bit DAC for each comparator, enabling up to 128-level programmable VDD scaler
- Extensions available to connect additional internal or external pins on each device
- Interrupt generation on:
- Rising or falling edge
- Toggle
- End of comparison
- Window function interrupt generation on:
- Signal above window
- Signal inside window
- Signal below window
- Signal outside window
- Event generation on:
- Comparator output
- Window function inside/outside window
- Optional digital filter on comparator output
- Low-power option
- Single-shot support