SAM9X35 Atmel Corporation, SAM9X35 Datasheet - Page 983
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SAM9X35
Manufacturer Part Number
SAM9X35
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9X25.pdf
(45 pages)
3.SAM9X25.pdf
(1145 pages)
4.SAM9X25.pdf
(45 pages)
5.SAM9X25.pdf
(1325 pages)
Specifications of SAM9X35
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
105
Ext Interrupts
105
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
3
Uart
7
Can
2
Lin
4
Ssc
1
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
DDR/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
- SAM9261 PDF datasheet
- SAM9X25 PDF datasheet #2
- SAM9X25 PDF datasheet #3
- SAM9X25 PDF datasheet #4
- SAM9X25 PDF datasheet #5
- Current page: 983 of 1325
- Download datasheet (30Mb)
42.7.11
11055B–ATARM–22-Sep-11
Write Protection Registers
To prevent any single software error that may corrupt ADC behavior, certain address spaces
can be write-protected by setting the WPEN bit in the
(ADC_WPMR).
If a write access to the protected registers is detected, then the WPVS flag in the ADC Write Pro-
tect Status Register (ADC_WPSR) is set and the field WPVSRC indicates in which register the
write access has been attempted.
The WPVS flag is reset by writing the ADC Write Protect Mode Register (ADC_WPMR) with the
appropriate access key, WPKEY.
The protected registers are:
•
•
•
•
•
•
•
•
•
•
“ADC Mode Register” on page 987
“ADC Channel Sequence 1 Register” on page 989
“ADC Channel Sequence 2 Register” on page 990
“ADC Channel Enable Register” on page 991
“ADC Channel Disable Register” on page 992
“ADC Extended Mode Register” on page 1001
“ADC Compare Window Register” on page 1002
“ADC Analog Control Register” on page 1004
“ADC Touchscreen Mode Register” on page 1005
“ADC Trigger Register” on page 1010
“ADC Write Protect Mode Register”
SAM9X35
983
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