AT91SAM9261SB-CU-999 Atmel, AT91SAM9261SB-CU-999 Datasheet - Page 80
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT91SAM9261SB-CU-999
Manufacturer Part Number
AT91SAM9261SB-CU-999
Description
IC MCU ARM9 ULTRA LP 217LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9261SB-CU-999.pdf
(709 pages)
Specifications of AT91SAM9261SB-CU-999
Core Processor
ARM9
Core Size
16/32-Bit
Speed
190MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
DMA, LCD, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
32KB (32K x 8)
Program Memory Type
ROM
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.08 V ~ 1.32 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
217-LFBGA
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
2-Wire, I2S, SPI, USB
Maximum Clock Frequency
190 MHz
Number Of Programmable I/os
96
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM9261-EK
Minimum Operating Temperature
- 40 C
For Use With
AT91SAM9261-EK - KIT EVAL FOR AT91SAM926EJ-SAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 80 of 709
- Download datasheet (10Mb)
13.7
13.7.1
13.8
13.9
13.10 SAM-BA Boot
80
NAND Flash Boot
SD Card Boot
EEPROM Boot
AT91SAM9261S
Supported NAND Flash Devices
The NAND Flash Boot program searches for a valid application in the NAND Flash memory.
If a valid application is found, this application is loaded into internal SRAM and executed by
branching at address 0x0000_0000 after remap. See
more information on Valid Image Detection.
Any 8 or 16-bits NAND Flash Devices.
The SD Card Boot program searches for a valid application in the SD Card memory.
(Boot ROM does not support high capacity SDCards.)
It looks for a boot.bin file in the root directory of a FAT12/16/32 formatted SD Card. If a valid file
is found, this application is loaded into internal SRAM and executed by branching at address
0x0000_0000 after remap. This application may be the application code or a second-level
bootloader.
The EEPROM Boot program searches for a valid application in an EEPROM connected to the
TWI address: 0x0050_0000.
If a valid application is found, this application is loaded into internal SRAM and executed by
branching at address 0x0000_0000 after remap. See
more information on Valid Image Detection.
If no valid DataFlash device has been found during the DataFlash boot sequence, the SAM-BA
boot program is performed.
The SAM-BA boot principle is to:
– Wait for USB Device enumeration.
– In parallel, wait for character(s) received on the DBGU
– Once the communication interface is identified, the application runs in an infinite
loop waiting for different commands as in
Table
“Valid Image Detection” on page 76
“Valid Image Detection” on page 76
13-2.
6242E–ATARM–11-Sep09
for
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