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| M32C80 Datasheet, PDF (101/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES | |||
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M32C/80 Group
10. Interrupts
10.1 Types of Interrupts
Figure 10.1 shows types of interrupts.
10. Interrupts
Software
(Non-Maskable Interrupt)
Undefined Instruction (UND Instruction)
Overflow (INTO Instruction)
BRK Instruction
BRK2 Instruction(2)
INT Instruction
Interrupt
Hardware
Special
(Non-Maskable Interrupt)
Peripheral Function(1)
(Maskable Interrupt)
_______
NMI
Watchdog Timer
Oscillation Stop Detection
Single-Step(2)
Address Match
DMACII
NOTES:
1. The peripheral functions in the microcomputer are used to generate the peripheral interrupt.
2. Do not use this interrupt. For development support tools only.
Figure 10.1 Interrupts
⢠Maskable Interrupt
The I flag enables or disables an interrupt.
The interrupt priority order based on interrupt priority level can be changed.
⢠Non-Maskable Interrupt
The I flag does not enable nor disable an interrupt .
The interrupt priority order based on interrupt priority level cannot be changed.
Rev. 1.00 Nov. 01, 2005 Page 82 of 330
REJ09B0271-0100
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