ST ST10F276E - Figure 132. Reset Boot Sequence

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UM0404 The bootstrap loader
Figure 132. Reset boot sequence
Standard Start
K2 is not OK
No (P0L[5..4] = ‘11’)
K2 is OK
K1 is not OK
K1 is OK
Running from test Flash
Yes (P0L[5..4] = ‘01’)
ABM / User Flash
Start at 09’0000h
Std. Bootstrap Loader
Jump to Test-Flash
User Mode / User Flash
Start at 00’0000h
RSTIN 0 to 1
Boot Mode?
Yes (P0L[5..4] = ‘10’)
Software Checks
User Reset Vector
(K1 is OK?)
Software Checks
Alternate Reset Vector
(K2 is OK?)
Long Jump to
09’0000h
SW RESET
ST Test Modes
No (P0L[5..4] = ‘other config.’)
Selective Bootstrap Loader
Jump to Test-Flash
Read 00’1FFCh