SAM9X35 Atmel Corporation, SAM9X35 Datasheet - Page 445
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
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30.6
30.6.1
Table 30-1.
Table 30-2.
11055B–ATARM–22-Sep-11
11055B–ATARM–22-Sep-11
27
27
26
26
Bk[1:0]
Software Interface/SDRAM Organization, Address Mapping
25
25
SDRAM Address Mapping for 16-bit Memory Data Bus Width and Four Banks
Bk[1:0]
Bk[1:0]
24
24
Linear Mapping for SDRAM Configuration, 2K Rows, 512/1024/2048/4096 Columns
Linear Mapping for SDRAM Configuration: 4K Rows, 512/1024/2048/4096 Columns
Bk[1:0]
Bk[1:0]
23
23
Bk[1:0]
Bk[1:0]
22
22
Bk[1:0]
The SDRAM address space is organized into banks, rows and columns. The DDRSDRC maps
different memory types depending on the values set in the DDRSDRC Configuration Register.
See
trate the relation between CPU addresses and columns, rows and banks addresses for 16-bit
memory data bus widths and 32-bit memory data bus widths.
The DDRSDRC supports address mapping in linear mode and interleaved mode.
Linear mode is a method for address mapping where banks alternate at each last SDRAM page
of current bank.
Interleaved mode is a method for address mapping where banks alternate at each SDRAM end
page of current bank.
The DDRSDRC makes the SDRAM devices access protocol transparent to the user.
to
with the device structure. Various configurations are illustrated.
21
21
Table 30-15
Section 30.7.3 “DDRSDRC Configuration Register” on page
20
20
Row[11:0]
19
19
Row[10:0]
Row[11:0]
18
18
Row[10:0]
illustrate the SDRAM device memory mapping seen by the user in correlation
Row[11:0]
17
17
Row[10:0]
Row[11:0]
16
16
Row[10:0]
15
15
CPU Address Line
CPU Address Line
14
14
13
13
12
12
11
11
10
10
9
9
8
8
Column[11:0]
Column[11:0]
7
7
Column[10:0]
Column[10:0]
452. The following figures illus-
Column[9:0]
Column[9:0]
6
6
Column[8:0]
Column[8:0]
5
5
4
4
SAM9X35
SAM9X35
3
3
2
2
Table 30-1
1
1
M0
M0
M0
M0
M0
M0
M0
M0
445
445
0
0
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