In many Interrupt Service Routine (ISR), the last instruction of an ISR is BX LR For a regular subroutine return, BX LR simply puts LR into PC For an interrupt return BX LR does something different How does BX LR know not to put LR into PC, and instead what does BX LR do In many Interrupt Service ...

In an Interrupt Service Routine ISR the last instruction is typically BX LR which serves a different ...

In many Interrupt Service Routine (ISR), the last instruction of an ISR is BX LR. For...

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In many Interrupt Service Routine (ISR), the last instruction of an ISR is BX LR. For a regular subroutine

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Computer organization and architecture designing for performance

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In many Interrupt Service Routine (ISR), the last instruction of an ISR is BX LR. For...

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Computer organization and architecture designing for performance

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