1.19 ICAP Capture Mode

In this application, a pulse signal is generated using the OCMP peripheral and is fed to the ICAP input. ICAP peripheral captures the time at every edge and displays the pulse width on the serial terminal.

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.

Path of the application within the repository is apps/icap/icap_capture_mode/firmware .

To build the application, refer to the following table and open the project using its IDE.

The following table shows the target hardware for the application projects.

• Connect the OC3 pin RPB9 (Pin 2 of the J31) to the IC1 pin RPC6 (pin 9 of the J30)
• Connect the Debug USB port (J12) on the board to the computer using a micro USB cable
• Connect the USB to UART port (J25) on the board to the computer using a micro USB cable

• Connect the IC1 pin RPA7 (Pin 28 of the J601) to the OC3 pin RPB14 (pin 19 of the J601)
• Connect the Debug USB port (J1) on the board to the computer using a micro USB cable

• Connect the OC3 pin RPB0 (Pin RPB0 of the J300) to the IC1 pin RPB6 (pin RPB6 of the J301)
• Connect the Debug USB port (J500) on the board to the computer using a micro USB cable
• Connect the USB to UART port (J400) on the board to the computer using a micro USB cable

• Connect the IC1 pin RPA4 (Pin 1 of the J601) to the OC3 pin RPB0 (pin 11 of the J601)
• Connect the Debug USB port on the board to the computer using a micro USB cable

1. Open the Terminal application (Ex.: Tera term) on the computer
2. Connect to the “USB to UART” COM port and configure the serial settings as follows:
   • Baud : 115200
   • Data : 8 Bits
   • Parity : None
   • Stop : 1 Bit
   • Flow Control : None
3. Build and Program the application project using its IDE
4. Console displays the captured pulse width as shown below: