MCUXpresso SDK Documentation

Hardware requirements#

  • Micro USB cable

  • EVK-MIMXRT685 board

  • Personal Computer

Board settings#

Make sure J15 and J30 are shorted.

Prepare the Demo#

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) on the board

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Launch the debugger in your IDE to begin running the demo.

Running the demo#

The following message shows in the terminal if the example runs successfully.

I2C example -- Read Accelerometer Value
Found an FXOS8700 on board , the device address is 0x1e.
The accel values:
status_reg = 0xff , x =   -88 , y =   -84 , z =  2084 
status_reg = 0xff , x =   -84 , y =   -88 , z =  2096 
status_reg = 0xff , x =   -84 , y =   -88 , z =  2092 
status_reg = 0xff , x =   -76 , y =   -88 , z =  2104 
status_reg = 0xff , x =   -80 , y =   -88 , z =  2096 
status_reg = 0xff , x =   -84 , y =   -80 , z =  2100 
status_reg = 0xff , x =   -80 , y =   -80 , z =  2080 
status_reg = 0xff , x =   -72 , y =   -92 , z =  2088 
status_reg = 0xff , x =   -84 , y =   -88 , z =  2084 
status_reg = 0xff , x =   -88 , y =   -88 , z =  2104 

End of I2C example .