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| M32C8A Datasheet, PDF (112/372 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 Series | |||
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M32C/8A Group
11. Interrupts
11.1 Types of Interrupts
Figure 11.1 shows the types of interrupts.
11. Interrupts
Software
(Non-maskable interrupts)
Undefined instruction (UND instruction)
Overflow (INTO instruction)
BRK instruction
BRK2 instruction(2)
INT instruction
Interrupts
Hardware
Special
(Non-maskable interrupts)
Peripheral function(1)
(Maskable interrupts)
NMI
Watchdog timer
Oscillation stop detection
Vdet4 detection
Single step(2)
Address match
DMACII transfer complete
NOTES:
1. Peripheral function interrupts are generated by the on-chip peripheral functions in the MCU.
2. Do not use these interrupts. They are for use with development tool only.
Figure 11.1 Interrupts
⢠Maskable interrupts
The I flag and IPL can enable and disable these interrupts.
The interrupt priority order can be changed based on interrupt priority level.
⢠Non-maskable interrupt
These interrupts cannot be disabled regardless of the I flag and IPL settings.
Rev.1.00 Jul 15, 2007 Page 95 of 352
REJ09B0385-0100
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