2022-04-08 14:42:47 +00:00
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Overview
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========
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The purpose of this demo is to show wakeup from deep sleep mode using MicroTick timer.
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The demo sets the MicroTick Timer as a wake up source and puts the device in deep-sleep mode.
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The MicroTick timer wakes up the device.
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Toolchain supported
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===================
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2022-04-08 14:48:22 +00:00
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- IAR embedded Workbench 9.20.2
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- Keil MDK 5.36
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- GCC ARM Embedded 10.3.1
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2022-04-08 14:42:47 +00:00
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- MCUXpresso 11.5.0
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Hardware requirements
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=====================
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- Micro USB cable
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- LPCXpresso55s69 board
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- Personal Computer
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Board settings
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==============
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1. Pin P19_2 is used as a CLKOUT signal. Connect this pin to an Oscilloscope for viewing the signal.
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Running the demo
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================
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The demo sets the MicroTick Timer as a wake up source and puts the device in sleep mode.
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The MicroTick timer wakes up the device.
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After wake up：
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(1)the red LED on the board blinking.
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(2)CLKOUT signal changing can be seen on pin P19_2.And the frequency of output signal will double.
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If the demo run successfully, you will see the log from debug console:
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Utick wakeup demo start...
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Wakeup from sleep mode...
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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