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Chapter 53 Fixed Mode-Reset Vector / BOOT-ROM
2.Check for Boot Conditions
the internal bootloader is entered. Otherwise Boot ROM is left and application is also started at default user
program entry address 0x0F:4000.
Flow Chart of checking boot conditions on flash derivates of MB91460 series
*1)
B
oot
S
ecur
i
ty
V
ector po
i
nts to a
dd
ress
i
n
Fl
as
h
-
ROM
*2) Magic Number = 0x0A897A?
*3) Start user application at address given by Boot Security Vector 1/2
*4) Start user application at default user program entry address
*5) Timeout about 100 ms