SAM9M10 Atmel Corporation, SAM9M10 Datasheet - Page 62
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SAM9M10
Manufacturer Part Number
SAM9M10
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9M10.pdf
(59 pages)
4.SAM9M10.pdf
(1398 pages)
Specifications of SAM9M10
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
5
Lin
4
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
Yes
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
NO
External Bus Interface
2
Dram Memory
DDR2/LPDDR, SDRAM/LPSDR
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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11.4.2.2
62
Example
SAM9M10
boot.bin file check
Figure 11-5. B Opcode
Unconditional instruction: 0xE for bits 31 to 28
Load PC with PC relative addressing instruction:
The sixth vector, at offset 0x14, contains the size of the image to download. The user must
replace this vector with his/her own vector. This information is described below.
Figure 11-6. Structure of the ARM Vector 6
The value has to be smaller than 60 KBytes. 60 KBytes is the maximum size for a valid code.
This size is the internal SRAM size minus the stack size used by the ROM Code at the end of
the internal SRAM.
An example of valid vectors follows:
The NVM bootloader program looks for a boot.bin file in the root directory of a FAT12/16/32 for-
matted NVM Flash.
31
31
1
00
04
08
0c
10
14
18
1
– Rn = Rd = PC = 0xF
– I==0 (12-bit immediate value)
– P==1 (pre-indexed)
– U offset added (U==1) or subtracted (U==0)
– W==1
1
ea000006
eafffffe
ea00002f
eafffffe
eafffffe
00001234
eafffffe
28 27
0
1
0
1
B
B
B
B
B
B
B
24 23
0
0x20
0x04
_main
0x0c
0x10
0x14
0x18
Size of the code to download in bytes
<- Code size = 4660 bytes < 60KB
O set (24 bits)
6355D–ATARM–7-Sep-11
0
0
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