SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 311
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SAM9X25
Manufacturer Part Number
SAM9X25
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 SAM9X25
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
2
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
No
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: 311 of 1145
- Download datasheet (26Mb)
26. External Bus Interface (EBI)
26.1
26.2
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11
Description
Embedded Characteristics
The External Bus Interface (EBI) is designed to ensure the successful data transfer between
several external devices and the embedded Memory Controller of an ARM-based device.
The Static Memory, DDR, SDRAM and ECC Controllers are all featured external Memory Con-
trollers on the EBI. These external Memory Controllers are capable of handling several types of
external memory and peripheral devices, such as SRAM, PROM, EPROM, EEPROM, Flash,
DDR2 and SDRAM. The EBI operates with 1.8V or 3.3V Power Supply (VDDIOM).
The EBI also supports the NAND Flash protocols via integrated circuitry that greatly reduces the
requirements for external components. Furthermore, the EBI handles data transfers with up to
six external devices, each assigned to six address spaces defined by the embedded Memory
Controller. Data transfers are performed through a 16-bit or 32-bit data bus, an address bus of
up to 26 bits, up to six chip select lines (NCS[5:0]) and several control pins that are generally
multiplexed between the different external Memory Controllers.
• Integrates three External Memory Controllers:
• Up to 26-bit Address Bus (up to 64 MBytes linear per chip select)
• Up to 6 chips selects, Configurable Assignment:
– Static Memory Controller
– DDR2/SDRAM Controller
– MLC Nand Flash ECC Controller
– Static Memory Controller on NCS0, NCS1, NCS2, NCS3, NCS4, NCS5
– DDR2/SDRAM Controller (SDCS) or Static Memory Controller on NCS1
– NAND Flash support on NCS3
SAM9X25
SAM9X25
311
311
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