Configuration of the Main Type in One-shot Mode

Configuration Procedure

Follow this procedure to configure a Main type in One-shot mode:

Step

Action

1

Double-click Expert > DM72F• > HSCMain.

2

Select the HSC Main Configuration tab.

3

Set the value of the General > Counting Mode parameter to One-Shot.

4

Select the value of the Counting inputs > A input > Bounce filter parameter.

5

Enter the value of the Range > Preset parameter.

6

 Optionally, select the value of the SYNC, EN and CAP auxiliary inputs from the from the drop-down menu, to enable the preset function, Enable function and Capture function with a physical input.

7

Optionally, select the Number of thresholds. This enables the Compare function and reflex outputs can be configured.

8

When Stop Event is set to Yes, the external event (BLOCK0_HSCSTOP or BLOCK1_HSCSTOP) must be used to trigger an external task.

NOTE: The IO Summary window displays the DM72F• I/O mapping. You can see the I/O used by expert function.

Programmable Filter

The filtering value on the Main type input determines the counter maximum frequency as shown in the table below:

Input

Filter Value

Maximum Counter Frequency

A

0.002 ms (default value)

200 kHz

0.004 ms

100 kHz

0.012 ms

40 kHz

0.04 ms

10 kHz

0.12 ms

4 kHz

0.4 ms

1 kHz

1.2 ms

400 Hz

4 ms

100 Hz