SAM9X35 Atmel Corporation, SAM9X35 Datasheet - Page 175
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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: 175 of 1145
- Download datasheet (26Mb)
21.6.1
Figure 21-5. PMC Startup
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11
External Main Cock
Main Supply
POR output
12 MHz RC
System starts on 32 kHz RC
RCEN = 1
OSC32EN = 0
OSCSEL = 0
MOSCRCEN = 1
MOSCXTEN = 0
MOSCSEL = 0
PMC_MCKR = 1
Fast wake-up
12 MHz RC Startup Time
Figure 21-4. Main Clock Selection
MOSCRCEN, MOSCXTEN, MOSCSEL and MOSCXTBY bits are located in the PMC Clock
Generator Main Oscillator Register (CKGR_MOR).
After a VDDBU power on reset, the default configuration is MOSCRCEN = 1, MOSCXTEN = 0
and MOSCSEL = 0, the 12 MHz RC oscillator is started as Main clock.
To speed up the wake-up phase, the system boots on 12 MHz RC (Main Clock). This allows the
user to perform system configuration (PLL, DDR2, etc.) at 12 MHz instead of 32 kHz during
12 MHz oscillator start-up.
Wait MOSCRCS = 1
System switches on Main Clock
to speed-up the boot
System is running at 12 MHz
External oscillator
is started for better accuracy
MOSCXTEN = 1
MOSCSEL = 0
XOUT
XIN
Crystal Startup Time
12M RC OSC
Main Clock
Oscillator
On Chip
Wait MOSCXTS = 1
User switches on external oscillator
MOSCSEL=1
Wait while MOSCSELS =1
System is runnning on 12 MHz Crystal
PLL can be used
MOSCRCEN
Main Clock
MOSCSEL
MOSCXTEN
MOSCXTBY
SAM9X25
SAM9X25
175
175
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