SAM9G46 Atmel Corporation, SAM9G46 Datasheet - Page 450
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SAM9G46
Manufacturer Part Number
SAM9G46
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G46.pdf
(58 pages)
Specifications of SAM9G46
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
No
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
AES/DES
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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SAM9G35
SAM9G35
Write Protected Registers
To prevent any single software error that may corrupt DDRSDRC behavior, the registers listed
below can be write-protected by setting the WPEN bit in the DDRSDRC Write Protect Mode
Register (DDRSDRC_WPMR).
If a write access in a write-protected register is detected, then the WPVS flag in the DDRSDRC
Write Protect Status Register (DDRSDRC_WPSR) is set and the field WPVSRC indicates in
which register the write access has been attempted.
The WPVS flag is automatically reset after reading the DDRSDRC Write Protect Status Register
(DDRSDRC_WPSR).
Following is a list of the write protected registers:
•
•
•
•
•
•
•
•
“DDRSDRC Mode Register” on page 456
“DDRSDRC Refresh Timer Register” on page 457
“DDRSDRC Configuration Register” on page 458
“DDRSDRC Timing Parameter 0 Register” on page 461
“DDRSDRC Timing Parameter 1 Register” on page 463
“DDRSDRC Timing Parameter 2 Register” on page 464
“DDRSDRC Memory Device Register” on page 467
“DDRSDRC High Speed Register” on page 469
11053B–ATARM–22-Sep-11
11053B–ATARM–22-Sep-11
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