SAM9G10 Atmel Corporation, SAM9G10 Datasheet - Page 63
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SAM9G10
Manufacturer Part Number
SAM9G10
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(1274 pages)
2.SAM9261.pdf
(43 pages)
3.SAM9G10.pdf
(750 pages)
4.SAM9G10.pdf
(39 pages)
Specifications of SAM9G10
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
266 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
4
Ssc
3
Sd / Emmc
1
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.08 to 1.32
Fpu
No
Mpu / Mmu
No/Yes
Timers
3
Output Compare Channels
3
Input Capture Channels
3
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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• usePmecc: Use PMECC
0 = Do not use PMECC to detect and correct the data.
1 = Use PMECC to detect and correct the data.
• nbSectorPerPage: Number of sectors per page
• spareSize: Size of the spare zone in bytes
• eccBitReq: Number of ECC bits required
• sectorSize: Size of the ECC sector
0 = for 512 bytes.
1 = for 1024 bytes per sector.
Other value for future use.
• eccOffset: Offset of the first ECC byte in the spare zone
A value below 2 is not allowed and will be considered as 2.
• key: value 0xC must be written here to validate the content of the whole word.
If the header is valid, the Boot Program will continue with the detection of valid code.
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
NAND Flash Specific Header Detection
31
23
15
7
eccBitReq
30
22
14
6
spareSize
This is the first method used to determine NAND Flash parameters. After Initialization and Reset
command, the Boot Program reads the first page without ECC check, to determine if the NAND
parameter header is present. The header is made of 52 times the same 32-bit word (for redun-
dancy reasons) which must contain NAND and PMECC parameters used to correctly perform
the read of the rest of the data in the NAND. This 32-bit word is described below:
key
29
21
13
5
eccOffset
28
20
12
4
27
19
11
3
-
nbSectorPerPage
spareSize
26
18
10
2
eccOffset
25
17
9
1
sectorSize
SAM9G35
SAM9G35
usePmecc
24
16
8
0
63
63
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