7516 datasheet(18/90 Pages) RENESAS

18 / 90 page

Rev.1.01

Jul 01, 2003

page 18 of 89

7516 Group

Interrupt Request

Generating Conditions

Remarks

Interrupt Source

Low

FFFC16

High

FFFD16

Priority

Table 6 Interrupt vector addresses and priority

Notes 1: Vector addresses contain interrupt jump destination addresses.

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

Vector Addresses (Note 1)

Reset (Note 2)

INT0

SCL, SDA

INT1

INT2

INT3

Serial I/O2

I2C

Timer X

Timer Y

Timer 1

Timer 2

Serial I/O1

reception

Serial I/O1

transmission

CNTR0

CNTR1

A-D converter

BRK instruction

At reset

At detection of either rising or

falling edge of INT0 input

At detection of either rising or

falling edge of INT1 input

At detection of either rising or

falling edge of INT2 input

At detection of either rising or

falling edge of INT3 input

At completion of serial I/O2 data

reception/transmission

At completion of data transfer

At completion of serial I/O1 data

reception

At completion of serial I/O1

transfer shift or when transmis-

sion buffer is empty

At timer X underflow

At timer Y underflow

At timer 1 underflow

At timer 2 underflow

Non-maskable

External interrupt

(active edge selectable)

External interrupt

(active edge selectable)

STP release timer underflow

At detection of either rising or

falling edge of SCL or SDA input

At detection of either rising or

falling edge of CNTR0 input

At detection of either rising or

falling edge of CNTR1 input

At completion of A-D conversion

At BRK instruction execution

External interrupt

(active edge selectable)

External interrupt

(active edge selectable)

External interrupt

(active edge selectable)

Switch by Serial I/O2/INT3

interrupt source bit

FFFA16

FFF816

FFF616

FFF416

FFF216

FFF016

FFEE16

FFEC16

FFEA16

FFE816

FFE616

FFE416

FFE216

FFE016

FFDE16

FFFB16

FFF916

FFF716

FFF516

FFF316

FFF116

FFEF16

FFED16

FFEB16

FFE916

FFE716

FFE516

FFE316

FFE116

FFDF16

FFDC16

FFDD16

Valid when serial I/O1 is selected

External interrupt

(active edge selectable)

External interrupt

(active edge selectable)

Non-maskable software interrupt

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