M38B53M4-059FP datasheet(85/355 Pages) MITSUBISHI

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38B5 Group User’s Manual

HARDWARE

FUNCTIONAL DESCRIPTION SUPPLEMENT

Interrupt

38B5 group permits interrupts on the basis of 21 sources.

It is vector interrupts with a fixed priority system. Accordingly, when

two or more interrupt requests occur during the same sampling, the

Table 13 Interrupt sources, vector addresses and interrupt priority

FUNCTIONAL DESCRIPTION SUPPLEMENT

higher-priority interrupt is accepted first. This priority is determined

by hardware, but various priority processing can be performed by

software, using an interrupt enable bit and an interrupt disable flag.

For interrupt sources, vector addresses and interrupt priority, refer to

Table 13.

Notes 1 : Vector addresses contain interrupt jump destination addresses.

2 : Reset function in the same way as an interrupt with the highest priority.

3 : In the mask option type P, timer 4 interrupt whose count source is CNTR1 input cannot be used.

4 : In the mask option type P, INT3 interrupt cannot be used.

Interrupt source

Reset (Note 2)

INT0

INT1

INT2

Remote control/counter overflow

Serial I/O1

Serial I/O1 automatic transfer

Timer X

Timer 1

Timer 2

Timer 3

Timer 4

Timer 5

Timer 6

Serial I/O2 receive

INT3

Serial I/O2 transmit

INT4

A-D conversion

FLD blanking

FLD digit

BRK instruction

Remarks

Non-maskable

External interrupt (active edge selectable)

Valid when interrupt interval determination is operating

Valid when serial I/O1 ordinary mode is selected

Valid when serial I/O1 automatic transfer mode is selected

STP release timer underflow

(Note 3)

External interrupt (active edge selectable) (Note 4)

External interrupt (active edge selectable)

Valid when INT4 interrupt is selected

Valid when A-D conversion is selected

Valid when FLD blanking interrupt is selected

Valid when FLD digit interrupt is selected

Non-maskable software interrupt

Priority

Vector Addresses (Note 1)

High

FFFD16

FFFB16

FFF916

FFF716

FFF516

FFF316

FFF116

FFEF16

FFED16

FFEB16

FFE916

FFE716

FFE516

FFE316

FFE116

FFDF16

FFDD16

Low

FFFC16

FFFA16

FFF816

FFF616

FFF416

FFF216

FFF016

FFEE16

FFEC16

FFEA16

FFE816

FFE616

FFE416

FFE216

FFE016

FFDE16

FFDC16

M38B53M4-059FP Datasheet(PDF) 85 Page - Mitsubishi Electric Semiconductor

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