at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 76

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Figure 13-1. Boot Program Algorithm Flow Diagram
76
AT91SAM9260
Internal RC Oscillator
SPI DataFlash Boot
SPI DataFlash Boot
NAND Flash Boot
No
No
No
No
Crystal Table
Large
Start
Timeout < 1 s
Timeout < 1 s
Timeout 1 s Typ.
Run SAM-BA Boot
USB Enumeration
Successful ?
Yes
Yes
Yes
Yes
Yes
DataFlash (NPCS0)
DataFlash (NPCS1)
Main Oscillator Bypass
Download from
Download from
Download from
NAND Flash
No
Crystal Table
No
Reduced
Character(s) received
Run SAM-BA Boot
No
on DBGU ?
Yes
Yes
Input Frequency
Run
Run
Run
Table
NandFlash Boot
SAM-BA Boot
DataFlash Boot
DataFlash Boot
6221G–ATARM–31-Jan-08