7641 datasheet(21/138 Pages) RENESAS

21 / 138 page

7641 Group

Rev.4.00

Aug 28, 2006

page 21 of 135

REJ03B0191-0400

Interrupt Source

Reset (Note 3)

USB function

USB SOF

INT0

INT1

DMAC0

DMAC1

UART1 receive

buffer full

UART1 transmit

UART1

summing error

UART2 receive

buffer full

UART2 transmit

UART2

summing error

Timer X

Timer Y

Timer 1

Timer 2

Timer 3

CNTR0

CNTR1

Serial I/O

Input buffer full

Output buffer

empty

Key input (Key-

on wake-up)

BRK instruction

Priority

Vector Addresses (Note 1)

High

FFFB16

FFF916

FFF716

FFF516

FFF316

FFF116

FFEF16

FFED16

FFEB16

FFE916

FFE716

FFE516

FFE316

FFE116

FFDF16

FFDD16

FFDB16

FFD916

FFD716

FFD516

FFD316

FFD116

FFCF16

FFCD16

FFCB16

Interrupt Request

Generating Conditions

At reset

(Note 2)

At reception of SOF packet

At detection of either rising or falling edge of

INT0 intput

At detection of either rising or falling edge of

INT1 input

At completion of DMAC0 transfer

At completion of DMAC1 transfer

At completion of UART1 reception

At completion of UART1 transmission

At detection of UART1 summing error

At completion of UART2 reception

At completion of UART2 transmission

At detection of UART2 summing error

At timer X underflow

At timer Y underflow

At timer 1 underflow

At timer 2 underflow

At timer 3 underflow

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 serial I/O transmission/re-

ception

At writing to input data bus buffer

At reading from output data bus buffer

At falling of port P2 input logical level AND

At BRK instruction execution

Remarks

Non-maskable

External interrupt

(active edge selectable)

External interrupt

(active edge selectable)

Low

FFFA16

FFF816

FFF616

FFF416

FFF216

FFF016

FFEE16

FFEC16

FFEA16

FFE816

FFE616

FFE416

FFE216

FFE016

FFDE16

FFDC16

FFDA16

FFD816

FFD616

FFD416

FFD216

FFD016

FFCE16

FFCC16

FFCA16

Notes 1: Vector addresses contain interrupt jump destination addresses.

2: USB function interrupt occurs owing to an interrupt request of the endpoint x (x = 0 to 4) IN, endpoint x OUT, overrun/underrun, USB reset or suspend/

resume.

3: Reset functions in the same way as an interrupt with the highest priority.

Table 7 Interrupt vector addresses and priority

External interrupt

(active edge selectable)

External interrupt

(active edge selectable)

External interrupt

(falling valid)

Non-maskable software interrupt

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