M32CSLASH86 datasheet(120/505 Pages) RENESAS

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11. Interrupts

)

(

Undefined Instruction (UND Instruction)

Overflow (INTO Instruction)

BRK Instruction

BRK2 Instruction(2)

INT Instruction

Software

(Non-Maskable Interrupt)

Hardware

Interrupt

_______

NMI

Watchdog Timer

Oscillation Stop Detection

Low voltage Detection(3)

Single-Step(2)

Address Match

DMACII

Special

(Non-Maskable Interrupt)

Peripheral Function(1)

(Maskable Interrupt)

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.

3. Low voltage detection interrupt cannot be used in M32C/86T.

11. Interrupts

11.1 Types of Interrupts

Figure 11.1 shows types of interrupts.

Figure 11.1 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.

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