1.2 KiB
1.2 KiB
Overview
The purpose of this demo is to show wakeup from deep sleep mode using MicroTick timer. The demo sets the MicroTick Timer as a wake up source and puts the device in deep-sleep mode. The MicroTick timer wakes up the device.
SDK version
- Version: 2.15.000
Toolchain supported
- IAR embedded Workbench 9.40.1
- Keil MDK 5.38.1
- GCC ARM Embedded 12.2
- MCUXpresso 11.8.0
Hardware requirements
- Micro USB cable
- LPCXpresso55s69 board
- Personal Computer
Board settings
- Pin P19_2 is used as a CLKOUT signal. Connect this pin to an Oscilloscope for viewing the signal.
Running the demo
The demo sets the MicroTick Timer as a wake up source and puts the device in sleep mode. The MicroTick timer wakes up the device.
After wake up:
(1)the red LED on the board blinking. (2)CLKOUT signal changing can be seen on pin P19_2.And the frequency of output signal will double.
If the demo run successfully, you will see the log from debug console:
Utick wakeup demo start...
Wakeup from sleep mode...