SAM9260 Atmel Corporation, SAM9260 Datasheet - Page 80
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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
- Current page: 80 of 290
- Download datasheet (5Mb)
Memory Interface
4.3
4.3.1
4.3.2
4-4
Instruction interface addressing signals
IA[31:1]
ITBIT
The address class signals for the instruction memory interface are:
•
•
•
•
IA[31:1] is the 31-bit address bus that specifies the address for the transfer. All
addresses are byte addresses, so a burst of 32-bit instruction fetches results in the
address bus incrementing by four for each cycle.
The ARM9E-S does not produce IA[0] as all instruction accesses are halfword-aligned
(that is, IA[0] = 0).
The address bus provides 4GB of linear addressing space. When a word access is
signaled the memory system must ignore IA[1].
The ITBIT signal encodes the size of the instruction fetch. The ARM9E-S can request
word-sized instructions (when in ARM state) or halfword-sized instructions (when in
Thumb state). This is encoded on ITBIT as shown in Table 4-1.
The size of transfer does not change during a burst of S cycles.
IA[31:1]
ITBIT
InTRANS on page 4-5
InM[4:0] on page 4-5.
Note
Copyright © 2000 ARM Limited. All rights reserved.
ITBIT
1
0
Table 4-1 Transfer widths
Transfer width
Halfword
Word
ARM DDI 0165B
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