Hardware requirements

• LPCXpresso55S36 board

• Personal Computer

• FreeMASTER 3.0 or later installed on PC

• Serial line, CAN or USB equipment as needed to connect over selected interface.

Board settings

By default, the demo is configured for standard serial (UART) communication. It may be changed to other interface in MCUXpresso ConfigTools. Run the MCUXpresso ConfigTools, select the Peripherals tool and open the Middleware/FreeMASTER component configuration. Refer to the list of recommended communication options below and make the selection in the FreeMASTER configuration page. Note that the other communication interfaces may require to use different physical connections, such as CAN transceiver, serial or USB ports.

CAN is available at connector J19. On-board transceiver is connected to pins:

• PIO1_2 is connected to CAN0_TX (see also JP49, alternate connection to P0_30)

• PIO1_3 is connected to CAN0_RX (see also JP48, alternate connection to P1_22)

Recommended communication options

• ‘SERIAL’ at USART0 module connected to virtual serial port of the debugger USB interface.

• ‘CAN’ at CAN0 module.

• ‘Packet-driven BDM’ using the debugger interface (use flash-based build targets only).

Prepare the demo

1. Interconnect the host PC and the target microcontroller board using the selected interface cable.

2. Compile and download the program to the target microcontroller.

3. Run and resume application execution when debugger stops in the main() function.

If using the Packet-driven BDM interface

4. Terminate the debugger session to release the JTAG interface for FreeMASTER use.

5. Reset the target board to make sure it runs after detaching the debugger.

Connect with FreeMASTER

6. Run FreeMASTER, use the Connection Wizard or open Project Options.

7. Configure Serial, CAN or other communication as required by this demo setup.

8. Start communication, FreeMASTER loads the initial TSA Active Content links in the Welcome page.

9. Click the “FreeMASTER Demonstration Project (embedded in device)” in the Welcome page.

10. The demo is now running, you should be able to watch variable values and graphs.

More information

Read more information about FreeMASTER tool at http://www.nxp.com/freemaster. Feel free to ask questions and report issues at FreeMASTER’s community page at https://community.nxp.com/community/freemaster