User Manual
Interrupt
PWM A Fault
PWM Fault ISR:
set Overcurrent Fault
set Overvoltage Fault
Emergency Stop
ADC Low Limit ISR:
set Undervoltage Fault
set Overheating Fault
Interrupt
ADC Low Limit
ADC High Limit ISR:
set Overvoltage Fault
set Overcurrent Fault
Interrupt
ADC High Limit
Emergency Stop
Emergency Stop
Reture
Reture
Reture
Up Button ISR:
Omega Required Mechanical
Interrupt
Up Button
Reture
increment
Down Button ISR:
Omega Required Mechanical
Interrupt
Down Button
Reture
decrement
Main Software Flow Chart
3-Phase BLDC Motor Control with Sensorless Back-EMF, ADC, Zero Crossing, Rev. 3
Freescale Semiconductor 35
Preliminary
Figure 7-2. Main Software Flow Chart - Part 2