21.3.1 Definitions
The following definitions are used throughout the documentation:
| Name | Description | 
|---|---|
| BOTTOM | The counter reaches BOTTOM when it becomes 0x0000 | 
| MAX | The counter reaches the maximum when it becomes 0xFFFF | 
| TOP | The counter reaches TOP when it becomes equal to the highest value in the count sequence | 
| CNT | Count (TCBn.CNT) register value | 
| CCMP | Capture/Compare (TCBn.CCMP) register value | 
Note: In general, the term ‘timer’ is
                used when the timer/counter is counting periodic clock ticks. The term ‘counter’ is
                used when the input signal has sporadic or irregular ticks.
        