D78054 Просмотр технического описания (PDF) - NEC => Renesas Technology

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D78054

8-BIT SINGLE-CHIP MICROCOMPUTER

NEC => Renesas Technology 

µPD78001B(A), 78002B(A)

6. INTERRUPT FUNCTIONS AND DEST FUNCTIONS

6.1 INTERRUPT FUNCTIONS

There are 11 interrupt functions of 3 different kinds as shown below.

• Non-maskable interrupt

:1

• Maskable interrupt

:9

• Software interrupt

:1

Table 6-1 Interrrupt Source List

Interrupt

Type

Non-

maskable

Maskable

Software

Default

Priority *1

0

1

2

3

4

5

6

7

8

Name

INTWDT

INTWDT

INTP0

INTP1

INTP2

INTP3

INTCSI0

INTTM3

INTTM1

INTTM2

BRK

Interrupt Source

Trigger

Watchdog timer overflow (with non-

maskable interrupt selected)

Watchdog timer overflow (with interval

timer selected)

Pin input edge detection

Serial interface channel 0 transfer end

Reference time interval signal from

watch timer

8-bit timer/event counter 1 match signal

generation

8-bit timer/event counter 2 match signal

generation

BRK instruction execution

Internal/

External

Internal

Vector Table

Basic

Configuration

Adress

Type *2

0004H

A

B

External

0006H

C

0008H

D

000AH

000CH

Internal

000EH

B

0012H

0016H

0018H

Internal

003EH

E

* 1. The default priority is the priority applicable when more priority than one maskable interrupt is generated.

0 is the highest and 11, the lowest.

2. Basic configuration types A to E correspond to (A) to (E) on the next page.

22

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