AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 89

• Manufacturer Part Number: AT91RM9200-CI-002
• Description: IC ARM9 MCU 256 BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-CI-002

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 180MHz
• Connectivity: EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: POR
• Number Of I /o: 122
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

13.3.3.3
1768I–ATARM–09-Jul-09
Serial DataFlash Download
The Boot Program supports all Atmel DataFlash devices.
ters to include in the ARM vector 6 for all devices.
The DataFlash has a Status Register that determines all the parameters required to access the
device.
Thus, to be compatible with the future design of the DataFlash, parameters are coded in the
ARM vector 6.
Figure 13-6. Serial DataFlash Download
Read the DataFlash into the internal SRAM.
Restore the reset value for the peripherals.
Set the PC to 0 and perform the REMAP
Read the first 8 instructions (32 bytes).
to jump to the downloaded application
(code size to read in vector 6)
Decode the sixth ARM vector
(except vector 6) are LDR
Send status command
or Branch instruction ?
Is status ok ?
8 vectors
Start
End
Yes
Yes
No
No
Table 13-1
Serial DataFlash
Download
summarizes the parame-
AT91RM9200
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