AT91SAM9261-CJ-999 Atmel, AT91SAM9261-CJ-999 Datasheet - Page 83
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AT91SAM9261-CJ-999
Manufacturer Part Number
AT91SAM9261-CJ-999
Description
IC MCU ARM9 ULTRA LP 217LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9261-CJ-999.pdf
(749 pages)
Specifications of AT91SAM9261-CJ-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
192K 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
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
-
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Part Number
Manufacturer
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Price
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13.3
6062M–ATARM–23-Mar-09
Device Initialization
Initialization follows the steps described below:
Table 13-1
Table 13-1.
3.0
4.433619
6.0
1. Stack setup for ARM supervisor mode
2. Main Oscillator Frequency Detection
3. C variable initialization
4. PLL setup: PLLB is initialized to generate a 48 MHz clock necessary to use the USB
5. Initialization of the DBGU serial port (115200 bauds, 8, N, 1)
6. Enable the user reset
7. Jump to SerialFlash Boot sequence through NPCS0. If SerialFlash Boot succeeds, per-
8. Jump to DataFlash Boot sequence through NPCS0. If DataFlash Boot succeeds, per-
9. Jump to NANDFlash Boot sequence. If NANDFlash Boot succeeds, perform a remap
10. Jump to SD Card Boot sequence. If SD Card Boot succeeds, perform a remap and
11. Jump to EEPROM Boot sequence. If EEPROM Boot succeeds, perform a remap and
12. Activation of the Instruction Cache
13. Jump to SAM-BA Boot sequence
14. Disable the WatchDog
15. Initialization of the USB Device Port
7.3728
11.05920
14.7456
Device. A register located in the Power Management Controller (PMC) determines the
frequency of the main oscillator and thus the correct factor for the PLLB.
form a remap and jump to 0x0.
form a remap and jump to 0x0.
and jump to 0x0.
jump to 0x0.
jump to 0x0.
defines the crystals supported by the Boot Program.
Crystals Supported by Software Auto-Detection (MHz)
3.2768
6.144
7.864320
12.0
16.0
4.608
3.6864
4.9152
6.4
8.0
12.288
17.734470
AT91SAM9261 Preliminary
3.84
5.0
6.5536
9.8304
13.56
18.432
4.0
5.24288
7.159090
10.0
14.31818
20.0
83
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