SAM9260 Atmel Corporation, SAM9260 Datasheet - Page 53
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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)
2.5
ARM DDI 0029G
Operating modes
The ARM7TDMI processor has seven modes of operation:
•
•
•
•
•
•
•
Modes other than User mode are collectively known as privileged modes. Privileged
modes are used to service interrupts or exceptions, or to access protected resources.
Each register has a mode identifier as listed in Table 2-1.
User mode is the usual ARM program execution state, and is used for executing
most application programs.
Fast Interrupt (FIQ) mode supports a data transfer or channel process.
Interrupt (IRQ) mode is used for general-purpose interrupt handling.
Supervisor mode is a protected mode for the operating system.
Abort mode is entered after a data or instruction Prefetch Abort.
System mode is a privileged user mode for the operating system.
You can only enter System mode from another privileged mode by modifying the
mode bit of the Current Program Status Register (CPSR).
Undefined mode is entered when an undefined instruction is executed.
Copyright © 1994-2001. All rights reserved.
Note
Table 2-1 Register mode identifiers
Mode
User
Fast interrupt
Interrupt
Supervisor
Abort
System
Undefined
Programmer’s Model
Mode identifier
usr
fiq
irq
svc
abt
sys
und
2-7
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