7548 datasheet(21/73 Pages) RENESAS

Part #	7548

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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Manufacturer	RENESAS [Renesas Technology Corp]

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21 / 73 page

Rev.2.00

Mar 15, 2007

Page 21 of 70

REJ03B0210-0200

7548 Group

PRELIMINARY

Notice: This is not a final specification.

Some parametric limits are subject to change.

Table 8

Interrupt vector address and priority

NOTES:

1. Vector addressed contain internal jump destination addresses.

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

Interrupt source

Priority

Vector addresses

(Note 1)

Interrupt request generating conditions

Remarks

High-

order

Low-

order

Reset (Note 2)

1

FFFD16

FFFC16

At reset input

Non-maskable

Serial I/O receive

2

FFFB16

FFFA16

At completion of serial I/O data receive

Valid only when serial I/O is selected

Serial I/O transmit

3

FFF916

FFF816

At completion of serial I/O transmit shift or

when transmit buffer is empty

Valid only when serial I/O is selected

INT0

4FFF716

FFF616

At detection of either rising or falling edge

of INT0 input

External interrupt

(active edge selectable)

INT1

5FFF516

FFF416

At detection of either rising or falling edge

of INT1 input

External interrupt

(active edge selectable)

Key-on wakeup

6

FFF316

FFF216

At falling of conjunction of input logical

level for port P1 (at input)

External interrupt (valid at falling edge)

Capture

7

FFF116

FFF016

At detection of either rising or falling edge

of Capture 0 input

External interrupt

(active edge selectable)

Compare

8

FFEF16

FFEE16

At compare matched

Compare interrupt source is selected.

Timer A

9

FFED16

FFEC16

At timer A underflow

Timer 210

FFEB16

FFEA16

At timer 2 underflow

A/D conversion

11

FFE916

FFE816

At completion of A/D conversion

Timer 112

FFE716

FFE616

At timer 1 underflow

STP release timer underflow

Not used

13

FFE516

FFE416

14

FFE316

FFE216

15

FFE116

FFE016

16

FFDF16

FFDE16

BRK instruction

17

FFDD16

FFDC16

At BRK instruction execution

Non-maskable software interrupt

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