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Disable all interrupts
interrupt void faultISR(void)
Stop timer and enable timer overflow interrupts
Stop HRP
1
Blink fault diode
Stop PWM
Set Vout(PTB7) pin as an output and set it to log. 1
Disconnect internal comparator from pins
and powered off
interrupt void timovISR(void)
Software Design
Dimmable Light Ballast with Power Factor Correction, Rev. 1
46 Freescale Semiconductor
Figure 5-6. Flow Chart — timovISR and faultISR
5.4 Detailed Software Description
This section provides a detailed graphical description of the software. It explains each particular part of
the application software in detail.