at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 96

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Figure 13-1. Boot Program Algorithm Flow Diagram
96
AT91SAM9263 Preliminary
Main Oscillator Bypass
SPI DataFlash Boot
Input Frequency
NandFlash Boot
No
No
No
Yes
SD Card Boot
Table
Start
Timeout < 1 s
Timeout < 1 s
Timeout < 1 s
Run SAM-BA Boot
USB Enumeration
Successful ?
Yes
Yes
Yes
No
Yes
DataFlash (NPCS0)
Download from
Download from
Download from
Main Oscillator
SD Card (MCI)
NandFlash
Enable
No
Character(s) received
Run SAM-BA Boot
No
on DBGU ?
Yes
Run
Run
Run
NandFlash Boot
SAM-BA Boot
DataFlash Boot
SD Card Boot
6249D–ATARM–20-Dec-07