XC68HC05P18A Motorola, XC68HC05P18A Datasheet - Page 39

• Manufacturer Part Number: XC68HC05P18A
• Description: HCMOS Microcontroller Unit
• Manufacturer: Motorola

Technical Data — MC68HC05P18A
4.1 Contents
4.2 Introduction
MC68HC05P18A
MOTOROLA
4.2
4.3
4.4
4.4.1
4.4.2
4.4.3
4.4.3.1
4.4.3.2
4.4.3.3
4.4.3.4
The MCU can be interrupted six different ways:
1. Non-maskable software interrupt instruction (SWI)
2. External asynchronous interrupt (IRQ)
3. Input capture interrupt (TIMER)
4. Output compare interrupt (TIMER)
5. Timer overflow interrupt (TIMER)
6. Port A interrupt, if selected as a mask option
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
CPU Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Interrupt Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Reset Interrupt Sequence . . . . . . . . . . . . . . . . . . . . . . . . . .42
Software Interrupt (SWI). . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . .43
Input Capture Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Output Compare Interrupt . . . . . . . . . . . . . . . . . . . . . . . .44
Timer Overflow Interrupt . . . . . . . . . . . . . . . . . . . . . . . . .44
Interrupts
Section 4. Interrupts
Technical Data
39