MCUXpresso SDK Documentation

pit

pit#

Overview#

The PIT project is a simple demonstration program of the SDK PIT driver. It sets up the PIT hardware block to trigger a periodic interrupt after every 1 second. When the PIT interrupt is triggered, a message will be printed on the UART terminal and an LED toggled on the board.

Supported Boards#

EVKB-IMXRT1050
Hardware requirements
  • Mini/micro USB cable

  • EVKB-IMXRT1050 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
MIMXRT1060-EVKB
Hardware requirements
  • Mini/micro USB cable

  • MIMXRT1060-EVKB board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
MIMXRT1170-EVKB
Hardware requirements
  • Mini/micro USB cable

  • MIMXRT1170-EVKB board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
MIMXRT1060-EVKC
Hardware requirements
  • Mini/micro USB cable

  • MIMXRT1060-EVKC board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
FRDM-IMXRT1152
Hardware requirements
  • Type-C USB cable

  • FRDM-IMXRT1152 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
EVK-MIMXRT1010
Hardware requirements
  • Mini/micro USB cable

  • EVK-MIMXRT1010 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.

Note:
To debug in qspiflash, following steps are needed:
1. Select the flash target and compile.
2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J41.
3. Start debugging in IDE.
   - Keil: Click "Download (F8)" to program the image to qspiflash first then clicking "Start/Stop Debug Session (Ctrl+F5)" to start debugging.
EVK-MIMXRT1015
Hardware requirements
  • Mini/micro USB cable

  • EVK-MIMXRT1015 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.

Note:
To debug in qspiflash, following steps are needed:
1. Select the flash target and compile.
3. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J41.
4. Start debugging in IDE.
   - Keil: Click "Download (F8)" to program the image to qspiflash first then clicking "Start/Stop Debug Session (Ctrl+F5)" to start debugging.
EVK-MIMXRT1020
Hardware requirements
  • Mini/micro USB cable

  • EVK-MIMXRT1020 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.

Note:
To debug in qspiflash, following steps are needed:
1. Select the flash target and compile.
2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.
3. Start debugging in IDE.
   - Keil: Click "Download (F8)" to program the image to qspiflash first then clicking "Start/Stop Debug Session (Ctrl+F5)" to start debugging.
MIMXRT1024-EVK
Hardware requirements
  • Mini/micro USB cable

  • MIMXRT1024-EVK board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.

Note:
To debug in qspiflash, following steps are needed:
1. Select the flash target and compile.
2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.
3. Start debugging in IDE.
   - Keil: Click "Download (F8)" to program the image to qspiflash first then clicking "Start/Stop Debug Session (Ctrl+F5)" to start debugging.
MIMXRT1040-EVK
Hardware requirements
  • Mini/micro USB cable

  • MIMXRT1040-EVK board

  • Personal Computer

Board settings

Remove jumper J80.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
EVK-MIMXRT1064
Hardware requirements
  • Mini/micro USB cable

  • EVK-MIMXRT1064 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
MIMXRT1160-EVK
Hardware requirements
  • Mini/micro USB cable

  • MIMXRT1160-EVK board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
 Channel No.0 interrupt is occured !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is taking turns to shine.
FRDM-K22F
Hardware requirements
  • Mini/micro USB cable

  • FRDM-K22F board

  • Personal Computer

Board settings

This Example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
FRDM-K32L2B
Hardware requirements
  • Mini/micro USB cable

  • FRDM-K32L2B board

  • Personal Computer

Board settings

This example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
FRDM-KE02Z40M
Hardware requirements
  • Mini/micro USB cable

  • FRDM-KE02Z40M board

  • Personal Computer

Board settings

This example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
FRDM-MCXC242
Hardware requirements
  • USB-C cable

  • FRDM-MCXC242 board

  • Personal Computer

Board settings

This example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

Prepare the Demo
  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
FRDM-MCXC444
Hardware requirements
  • Type-C USB cable

  • FRDM-MCXC444 board

  • Personal Computer

Board settings

This example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

Prepare the Demo
  1. Connect a type-c USB cable between the host PC and the MCU-Link USB port (J13) on the target board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

These instructions are displayed/shown on the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
TWR-KM34Z50MV3
Hardware requirements
  • Mini USB cable

  • TWR-KM34Z50MV3 board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target 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. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

When the demo runs successfully, the following message is displayed in the terminal:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
TWR-KM34Z75M
Hardware requirements
  • Mini USB cable

  • TWR-KM34Z75M board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target 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. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

When the demo runs successfully, the following message is displayed in the terminal:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
TWR-KM35Z75M
Hardware requirements
  • Micro USB cable

  • TWR-KM35Z75M board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a USB cable between the host PC and the OpenSDA USB port on the target 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. Either press the reset button on your board or launch the debugger in your IDE to begin running the example.

Running the demo

When the demo runs successfully, the following message is displayed in the terminal:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the LED RED is taking turns to shine.
FRDM-MCXE31B
Hardware requirements
  • Type-C USB cable

  • FRDM-MCXE31B board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a type-c USB cable between the host PC and the MCU-Link USB port (J13) on the target 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. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

The log below shows the output of the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is blinky per second.
FRDM-MCXE32B
Hardware requirements
  • Type-C USB cable

  • FRDM-MCXE32B board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo
  1. Connect a type-c USB cable between the host PC and the MCU-Link USB port (J13) on the target 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. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

The log below shows the output of the terminal window:

Starting channel No.0 ...
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
 Channel No.0 interrupt is occurred !
....................
....................
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
And you will find the user LED is blinky per second.