SAM9X25 Atmel Corporation, SAM9X25 Datasheet - Page 214
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SAM9X25
Manufacturer Part Number
SAM9X25
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9X25.pdf
(45 pages)
3.SAM9X25.pdf
(1145 pages)
4.SAM9X25.pdf
(45 pages)
5.SAM9X25.pdf
(1325 pages)
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
- SAM9261 PDF datasheet
- SAM9X25 PDF datasheet #2
- SAM9X25 PDF datasheet #3
- SAM9X25 PDF datasheet #4
- SAM9X25 PDF datasheet #5
- Current page: 214 of 248
- Download datasheet (2Mb)
CP15 Test and Debug Registers
B-8
31
Figure B-4 Rd format for accessing PA and AP data of main or lockdown TLB entry
4.
To write an entry into the 2-way main TLB, the full sequence is therefore:
Bit
[31:10]
[9:8]
[7:4]
[3:2]
[1]
[0]
Copyright © 2001-2003 ARM Limited. All rights reserved.
The Rd register contains the read or write data as shown in Figure B-4.
Table B-6 describes the PA and access permission bit fields in the Rd register.
Use the following instruction to complete a write to an entry:
Name
PA
-
Domain select
AP
C
B
PA
Table B-6 Encoding of the TLB entry PA and AP bit fields
Definition
Physical address.
Should Be Zero.
Domain select:
b0000 = D0
b0001 = D1
.
.
.
b1110 = D14
b1111 = D15.
Access permission:
b00 = No access.
b01 = Privileged, read/write. User, no access.
b10 = Privileged, read/write. User read-only.
b11 = Privileged, read/write. User, read/write.
Cachable bit.
Bufferable bit.
10
9
SBZ
8
7
Domain
select
4 3
ARM DDI0198D
[1:0]
AP
2
C
1
B
0
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