Datasheet

Section 3 Exception Handling

Rev. 3.00 Sep. 10, 2007 Page 57 of 528

REJ09B0216-0300

RES

Internal address bus

Internal read signal

Internal write signal

Internal data bus

(16 bits)

(1) Reset exception handling vector address (H'0000)

(2) Program start address

(3) Initial program instruction

(2)

(1)

(3)

(2)

Reset cleared

Vector fetch

Initial program

instruction

prefetch

Internal

processing

RES

Internal address bus

Normal mode operation

Advanced mode operation

Internal read signal

Internal write signal

Internal data bus

(16 bits)

(1), (3) Reset exception handling vector address ((1) = H'000000 (3) = H'000002)

(2), (4) Start address (contents of reset exception handling vector address)

(5) Start address

(6) Initial program instruction

(2) (4) (6)