HD6432633 Datasheet, PDF (168/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Vector
fetch
Internal Prefetch of first program
processing instruction
*
*
*
Ø
RES, MRES
Address bus
(1)
(3)
(5)
RD
HWR, LWR
D15 to D0
High
(2)
(4)
(6)
(1) (3) Reset exception handling vector address (when power-on reset, (1) = H'000000*,
(3) = H'000002; when manual reset, (1)= H'000004, (3)= H'000006)
(2) (4) Start address (contents of reset exception handling vector address)
(5) Start address ((5) = (2) (4))
(6) First program instruction
Note: * 3 program wait states are inserted.
Figure 4-2 Reset Sequence (Modes 4 and 5)
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