25.3.1 Definitions
The following definitions are used throughout the documentation:
| Name | Description |
|---|---|
| BOTTOM | The counter reaches BOTTOM when it becomes zero |
| MAX | The counter reaches MAXimum when it becomes all ones |
| TOP | The counter reaches TOP when it becomes equal to the highest value in the count sequence |
| CNT | Counter register value |
| CMP | Compare register value |
In general - the term ❝timer❞ is used when the timer/counter counts periodic clock ticks, while ❝counter❞ is used when the input signal has sporadic or irregular ticks. The latter can be the case when counting events.