SAM9260 Atmel Corporation, SAM9260 Datasheet - Page 25
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SAM9260
Manufacturer Part Number
SAM9260
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.SAM9260.pdf
(290 pages)
4.SAM9260.pdf
(802 pages)
5.SAM9260.pdf
(47 pages)
Specifications of SAM9260
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
210 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
7
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- M40800 PDF datasheet
- M40800 PDF datasheet #2
- SAM9260 PDF datasheet #3
- SAM9260 PDF datasheet #4
- SAM9260 PDF datasheet #5
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- Download datasheet (2Mb)
1.1.2
ARM DDI 0029G
Memory access
During normal operation, while one instruction is being executed, its successor is being
decoded, and a third instruction is being fetched from memory.
The program counter points to the instruction being fetched rather than to the instruction
being executed. This is important because it means that the Program Counter (PC)
value used in an executing instruction is always two instructions ahead of the address.
The ARM7TDMI core has a Von Neumann architecture, with a single 32-bit data bus
carrying both instructions and data. Only load, store, and swap instructions can access
data from memory.
Data can be:
•
•
•
Words must be aligned to 4-byte boundaries. Halfwords must be aligned to 2-byte
boundaries.
8-bit (bytes)
16-bit (halfwords)
32-bit (words).
Copyright © 1994-2001. All rights reserved.
Execute
Decode
Fetch
Instruction fetched from memory
Decoding of registers used in
instruction
Register(s) read from register bank
Perform shift and ALU operations
Write register(s) back to register bank
Figure 1-1 Instruction pipeline
Introduction
1-3
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