Rainbow-electronics T89C51CC02 Uživatelský manuál stáhnout pdf (Strana 40)

40 Rev.A - May 17, 2001

Preliminary

T89C51CC02

Figure 21. Example of Software Boot process

RESET

BLJB == 0

bit ENBOOT in AUXR1 register

is initialized with BLJB (Fuse bit).

USER APPLICATION

Hardware boot process

Software boot process

ENBOOT = 1

PC = F800h

FCON = F0h

FCON == 00h

SBV == FFh

EB == 0

DEFAULT BOOT LOADERUSER BOOT LOADER

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 136 137

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Rainbow-electronics T89C51CC02 Uživatelský manuál Strana 40