AT91SAM9260-EK Atmel, AT91SAM9260-EK Datasheet - Page 2

• Manufacturer Part Number: AT91SAM9260-EK
• Description: KIT EVAL FOR AT91SAM9260
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9260-EK

• Contents: Evaluation Board, Parallel Cable and CD-ROM
• Processor To Be Evaluated: AT91SAM9260
• Data Bus Width: 32 bit
• Interface Type: RS-232, Ethernet, USB
• Core: ARM 9
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: ARM926EJ-S
• Silicon Core Number: AT91SAM9260
• Silicon Family Name: ARM
• Kit Contents: Board, Cables, CD, Power Supply
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM9260
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2-1.
2
Application Note
Boot Program Algorithm Flow Diagram
Internal RC Oscillator
SPI DataFlash Boot
SPI DataFlash Boot
NandFlash Boot
No
No
No
No
Crystal Table
Large
Start
Timeout < 1 s
Timeout < 1 s
Timeout 1 s Typ.
The AT91SAM9260 Boot ROM sequence is shown in
• If no valid ARM vector sequence is found, SAM-BA Boot is then executed. It waits for
exception vectors. If such a sequence is found, code is downloaded into the internal SRAM.
This is followed by a remap and a jump to the first address of the SRAM.
transactions either on the USB device, or on the DBGU serial port.
OR
Yes
Yes
Yes
Yes
Character(s) received
USB Enumeration
DataFlash (NPCS0)
DataFlash (NPCS1)
Main Oscillator Bypass
Download from
Download from
Download from
Successful
on DBGU
NandFlash
No
Crystal Table
Reduced
Yes
Input Frequency
Run SAM-BA Boot
Run SAM-BA Boot
Run
Run
Run
Table
Figure
2-1.
NandFlash Boot
SAM-BA Boot
DataFlash Boot
DataFlash Boot
6281A–ATARM–16-Nov-06