Datasheet

97
SAM9263 [DATASHEET]
Atmel-6249N-ATARM-SAM9263-Datasheet_14-Mar-16
12.2 Flow Diagram
The Boot Program implements the algorithm in Figure 12-1.
Figure 12-1. Boot Program Algorithm Flow Diagram
Yes
No
Main Oscillator Bypass
Start
Input Frequency
Table
Enable
Main Oscillator
Timeout < 1 s
SPI DataFlash Boot
Download from
DataFlash (NPCS0)
Run
Yes
DataFlash Boot
SAM-BA Boot
No
Timeout < 1 s
NandFlash Boot
Download from
NandFlash
Run
Yes
NandFlash Boot
No
Character(s) received
on DBGU ?
Run SAM-BA Boot
Run SAM-BA Boot
USB Enumeration
Successful ?
Yes Yes
No
No
Timeout < 1 s
SD Card Boot
Download from
SD Card (MCI)
Run
Yes
SD Card Boot
No