SAM9XE512 Atmel Corporation, SAM9XE512 Datasheet - Page 90
SAM9XE512
Manufacturer Part Number
SAM9XE512
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE512
Flash (kbytes)
512 Kbytes
Pin Count
217
Max. Operating Frequency
180 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)
2
Uart
6
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)
32
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
Operating Voltage (vcc)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
- Current page: 90 of 248
- Download datasheet (2Mb)
Memory Management Unit
3.5
3-26
Fault checking sequence
permission
translation
Section
Section
Section
domain
fault
fault
fault
The sequence the MMU uses to check for access faults is different for sections and
pages. The sequence for both types of access is shown in Figure 3-13.
The conditions that generate each of the faults are described in:
•
No access (00)
Reserved (10)
Violation
Copyright © 2001-2003 ARM Limited. All rights reserved.
Invalid
Alignment faults on page 3-27
permissions
Client (01)
Section
Section
access
Check
Check address alignment
Get first-level descriptor
Modified virtual address
Check domain status
Physical address
Manager
(11)
permissions
table entry
Client (01)
Get page
access
Check
Page
Page
Figure 3-13 Sequence for checking faults
No access (00)
Reserved (10)
Misaligned
Violation
Invalid
ARM DDI0198D
translation
Alignment
permission
domain
Page
fault
fault
Page
Page
fault
fault
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