LPC540xx Simple blinky example
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Purpose:
* Show simple four-channel PWM generation.
* Uses the unified 32-bit timer mode to generate single-edge aligned outputs.
* Channels can have different polarity. Demo state machine has been configured for positive pulses at SCTOUT_0/1
  and negative pulses at SCTOUT_2/3.
* SCTIN_1 is used as input. If low, forces the outputs to their idle states, halts the timer, and generates
  an interrupt.
* An interrupt can be generated after each cycle.

Running mode:
* Compile, Flash the program and reset.
* Default project target set to Blinky_Release (executing from flash)

Note:
Tested on LPC5400 LPCXpresso Board


Input:
PIO0_24 configured as IN_1 (sw1)

Output:
PIO0_7 configured as CTOUT_0, PWM1
PIO0_8 configured as CTOUT_1, PWM2
PIO0_9 configured as CTOUT_2, PWM3
PIO0_10 configured as CTOUT_3, PWM4