SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 217

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SAM9X25

Manufacturer Part Number
SAM9X25
Description
Manufacturer
Atmel Corporation
Datasheets

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
ARM DDI0198D
31
SBZ
2.
3.
4.
To write an entry into the lockdown TLB, the full sequence is therefore:
To read an entry from the lockdown TLB, the entry must first be written using the above
instructions. The entry can then be read using the following instructions:
29
Bit
[31:29]
[28:26]
[25:0]
28
Indexed
Copyright © 2001-2003 ARM Limited. All rights reserved.
entry
Table B-8 describes the entry-select bit fields in the Rd register.
Use the following MMU Test Register instructions to access the MVA tag:
See Figure B-3 on page B-7 for read or write data in the Rd register.
Use the following MMU Test Register instructions to read or write the PA and
access permission data:
See Figure B-4 on page B-8 for the read or write data in the Rd register.
Use the following instruction to complete a write to an entry:
26
25
-
Indexed entry
-
Name
Table B-8 Encoding of the lockdown TLB entry-select bit fields
Figure B-6 Rd format for selecting lockdown TLB entry
Definition
Should Be Zero
Indexed entry in lockdown TLB
Should Be Zero
SBZ
CP15 Test and Debug Registers
B-11
0

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