Rainbow-electronics AT89C5131 Manual de usuario descargar pdf (Pagina 41)

41

AT89C5131

4136A–USB–03/03

Figure 21. Boot Process Flowchart

BLJB = 1?

SBV < 3Fh?

ATMEL BOOTLOADER

APPLICATION PROGRAM

CUSTOMER BOOTLOADER

PC = [SBV]00h

Yes

No

RESET

F800h address

0000h address

Hardware

Software

P3_CF = FFh?

P1_CF = FFh?

P4_CF = FFh?

bit = = 0?

No

No

No

BSB = = 00h?

No

Yes

Yes

Yes

APPLICATION PROGRAM

No

YesYes

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