Rainbow Electronics AT91CAP9S250A - Manual (Page 74)

74
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
Figure 14-1. Boot Program Algorithm Flow Diagram
Timeout < 1 s
Character(s) received
on DBGU ?
Run SAM-BA Boot Run SAM-BA Boot
USB Enumeration
Successful ?
Yes Yes
No
No
SPI DataFlash Boot
Download from
DataFlash (NPCS0)
Run
Yes
DataFlash Boot
SAM-BA Boot
No
Timeout 1 s Typ.
NandFlash Boot
Download from
NandFlash
Run
Yes
NandFlash Boot
No
Device
Setup