M16CSLASH62P datasheet(76/349 Pages) MITSUBISHI

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Interrupts

Mitsubishi microcomputers

M16C / 62P Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Under

development

Preliminary Specifications Rev.1.0

Specifications in this manual are tentative and subject to change.

• Maskable Interrupt: An interrupt which can be enabled (disabled) by the interrupt enable flag (I flag) or

whose interrupt priority can be changed by priority level.

• Non-maskable I0nterrupt: An interrupt which cannot be enabled (disabled) by the interrupt enable flag

(I flag) or whose interrupt priority cannot be changed by priority level.

Figure 1.11.1. Interrupts

Interrupt

Software

(Non-maskable interrupt)

Hardware

Special

(Non-maskable interrupt)

Peripheral function (Note 1)

(Maskable interrupt)

Undefined instruction (UND instruction)

Overflow (INTO instruction)

BRK instruction

INT instruction

_______

NMI

________

DBC (Note 2)

Watchdog timer

Single step (Note 2)

Address match

Note 1: Peripheral function interrupts are generated by the microcomputer's internal functions.

Note 2: Do not normally use this interrupt because it is provided exclusively for use by development

support tools.

Interrupts

Type of Interrupts

Figure 1.11.1 shows types of interrupts.

M16C/62P Datasheet(PDF) 76 Page - Mitsubishi Electric Semiconductor