AT91SAM9261SB-CU-999 Atmel, AT91SAM9261SB-CU-999 Datasheet - Page 74

• Manufacturer Part Number: AT91SAM9261SB-CU-999
• Description: IC MCU ARM9 ULTRA LP 217LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

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

13.2
74
Flow Diagram
AT91SAM9261S
The Boot Program implements the algorithm in
Figure 13-1. Boot Program Algorithm Flow Diagram
SPI Serial Flash Boot
SPI DataFlash Boot
Nand Flash Boot
No
No
No
No
No
SD Card Boot
EEPROMBoot
Device
Setup
Timeout < 25 ms
Timeout < 25 ms
Timeout < 50ms
Timeout < 50ms
Timeout 50ms.
OR
Yes
Yes
Yes
Yes
Yes
Character(s) received
Serial Flash NPCS0
DataFlash NPCS0
USB Enumeration
Download from
Download from
Download from
Download from
Download from
Nand Flash
Successful
SDCARD
EEPROM
on DBGU
Figure
13-1.
Run SAM-BA Boot
Run SAM-BA Boot
Run
Run
Run
Run
Run
6242E–ATARM–11-Sep09
TWI/EEPROM Boot
Serial Flash Boot
Nand Flash Boot
DataFlash Boot
SAM-BA Boot
SD Card Boot