Texas Instruments C2000

Module Topics
4 - 2 C2000 Microcontroller Workshop - Reset and Interrupts
Module Topics
Reset and Interrupts ..................................................................................................................................4-1
Module Topics ..........................................................................................................................................4-2
Reset .........................................................................................................................................................4-3
Reset - Bootloader ...............................................................................................................................4-4
Emulation Boot Mode .........................................................................................................................4-5
Stand-Alone Boot Mode ......................................................................................................................4-6
Reset Code Flow – Summary ..............................................................................................................4-6
Emulation Boot Mode using Code Composer Studio GEL .................................................................4-7
Getting to main() .................................................................................................................................4-8
Interrupts .................................................................................................................................................4-9
Interrupt Processing ...........................................................................................................................4-10
Interrupt Flag Register (IFR) .............................................................................................................4-11
Interrupt Enable Register (IER) .........................................................................................................4-11
Interrupt Global Mask Bit (INTM) ....................................................................................................4-12
Peripheral Interrupt Expansion (PIE) ................................................................................................4-12
PIE Block Initialization .....................................................................................................................4-14
Interrupt Signal Flow – Summary .....................................................................................................4-16
Interrupt Response and Latency ........................................................................................................4-17