SAM9XE256 Atmel Corporation, SAM9XE256 Datasheet - Page 33
SAM9XE256
Manufacturer Part Number
SAM9XE256
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 SAM9XE256
Flash (kbytes)
256 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: 33 of 248
- Download datasheet (2Mb)
ARM DDI0198D
31
Cond
The mnemonics for these instructions are:
Attempting to read from a write-only register, or writing to a read-only register causes
Unpredictable results. In all instructions that access CP15:
•
•
Table 2-3 shows the terms and abbreviations used in this chapter.
Term
Unpredictable
Undefined
Should Be Zero
28 27 26 25 24 23
Copyright © 2001-2003 ARM Limited. All rights reserved.
1 1 1 0
The Opcode_1 field Should Be Zero except when the values specified are used to
select the desired operations. Using other values results in Unpredictable
behavior.
The Opcode_2 and CRm fields Should Be Zero except when the values specified
are used to select the desired behavior. Using other values results in Unpredictable
behavior.
Opcode
_1
21 20 19
Abbreviation
UNP
UND
SBZ
L
CRn
16 15
Description
For reads: The data returned when reading from
this location is unpredictable. It can have any
value.
For writes: Writing to this location causes
unpredictable behavior, or an unpredictable
change in device configuration.
An instruction that accesses CP15 in the manner
indicated takes the Undefined instruction
exception.
When writing to this location, all bits of this field
Should Be Zero.
Figure 2-1 CP15 MRC and MCR bit pattern
Rd
12 11 10 9 8 7
1 1 1 1
Table 2-3 CP15 abbreviations
Opcode
_2
Programmer’s Model
5 4 3
1
CRm
0
2-5
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