SAM9X35 Atmel Corporation, SAM9X35 Datasheet - Page 460
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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: 460 of 1145
- Download datasheet (26Mb)
30.7.6
Name:
Address:
Access:
Reset:
This register can only be written if the bit WPEN is cleared in
• TXARD: Exit Active Power Down Delay to Read Command in Mode “Fast Exit”.
The Reset Value is 2 cycles.
This field defines the delay between cke set high and a Read Command in number of cycles. Number of cycles is between
0 and 15.
Note: This field is found only in DDR2-SDRAM devices.
• TXARDS: Exit Active Power Down Delay to Read Command in Mode “Slow Exit”.
The Reset Value is 6 cycles.
This field defines the delay between cke set high and a Read Command in number of cycles. Number of cycles is between
0 and 15.
Note: This field is found only in DDR2-SDRAM devices.
• TRPA: Row Precharge All Delay
The Reset Value is 0 cycle.
This field defines the delay between a Precharge ALL banks Command and another command in number of cycles. Num-
ber of cycles is between 0 and 15.
Note: This field is found only in DDR2-SDRAM devices.
• TRTP: Read to Precharge
The Reset Value is 2 cycles.
This field defines the delay between Read Command and a Precharge command in number of cycle.
Number of cycles is between 0 and 7.
• TFAW: Four Active window
The Reset Value is 4 cycles.
DDR2 devices with 8-banks (1Gb or larger) have an additional requirement: t
ACTIVATE commands may be issued in any given t
Number of cycles is between 0 and 15.
Note: This field is found only in DDR-SDRAM 2 devices with eight internal banks
460
460
31
23
15
–
–
7
SAM9X25
SAM9X25
DDRSDRC Timing Parameter 2 Register
30
22
14
DDRSDRC_TPR2
0xFFFFE814
Read-write
See
–
–
6
TXARDS
Table 30-16
TRTP
29
21
13
5
–
–
FAW
28
20
12
4
–
–
(MIN) period.
“DDRSDRC Write Protect Mode Register” on page
27
19
11
3
–
FAW
. This requires that no more than four
26
18
10
2
–
TXARD
TRPA
TFAW
25
17
9
1
–
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11
466.
24
16
8
0
–
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