XC68HC705JJ7 Motorola, XC68HC705JJ7 Datasheet - Page 51

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XC68HC705JJ7

Manufacturer Part Number
XC68HC705JJ7
Description
MICROCONTROLLER
Manufacturer
Motorola
Datasheet

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4.1 Contents
4.2 Introduction
MC68HC705JJ7 • MC68HC705JP7 — REV 4
MOTOROLA
Advance Information — MC68HC705JJ7/MC68HC705JP7
4.2
4.3
4.4
4.5
4.6
4.6.1
4.6.2
4.6.3
4.7
4.7.1
4.7.2
4.8
4.8.1
4.8.2
4.8.3
4.9
4.10
4.10.1
4.10.2
An interrupt temporarily stops normal program execution to process a
particular event. An interrupt does not stop the execution of the
instruction in progress, but takes effect when the current instruction
completes its execution. Interrupt processing automatically saves the
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Interrupt Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Software Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Core Timer Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Programmable Timer Interrupts . . . . . . . . . . . . . . . . . . . . . . . . 61
Serial Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Analog Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
IRQ/V
PA0–PA3 Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . 58
Core Timer Overflow Interrupt . . . . . . . . . . . . . . . . . . . . . . . 60
Real-Time Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Input Capture Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Output Compare Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Timer Overflow Interrupt. . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Comparator Input Match Interrupt . . . . . . . . . . . . . . . . . . . .63
Input Capture Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
PP
Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Interrupts
Section 4. Interrupts
Advance Information
51

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