Yilin Sun
6e8d03ec0a
Signed-off-by: Yilin Sun <imi415@imi.moe> |
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.. | ||
armgcc | ||
board.c | ||
board.h | ||
clock_config.c | ||
clock_config.h | ||
pin_mux.c | ||
pin_mux.h | ||
readme.md | ||
utick_wakeup.bin | ||
utick_wakeup.c | ||
utick_wakeup.mex | ||
utick_wakeup_v3_14.xml |
readme.md
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...