Q: Setting the GPIO number that outputs the CPI-CNT-3201I interrupt notification signal

A:

For CPI-CNT-3201I, you can specify the GPIO number to output the interrupt notification signal.
Hardware specification using the DIP switch on the CPI-CNT-3201I and software specification using the setting tool (configuration) are required.

The GPIO numbers that can be specified vary depending on the form factor of the single board computer (SBC) used with CPI-CNT-3201I.
Please refer to the hardware reference manual for DIP switch settings.

Additionally, the [Change GPIO number] screen in the Setup Tool (configuration) changes depending on the form factor of the SBC used in conjunction with CPI-CNT-3201I.
For information on the Setup Tool (configuration), please refer to [Change GPIO number for event notification] in the "[Setup Driver Environment -> Setup Tool (configuration)]" topic.


The differences between each form factor are shown in the table below.

SBC form factor

[Change GPIO number] screen of Setup Tool (configuration)

DIP switches on CPI-CNT-3201I

INT_1

INT_2

INT_3

INT_4

Raspberry Pi

GPIO4

GPIO22

GPIO5

GPIO6

Tinker Board

(Unusable)

(Unusable)

GPIO126

GPIO125

   *The same GPIO number cannot be set for multiple CPI-CNT-3201I.