SAM9G46 Atmel Corporation, SAM9G46 Datasheet - Page 33
SAM9G46
Manufacturer Part Number
SAM9G46
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G46.pdf
(58 pages)
Specifications of SAM9G46
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
5
Lin
4
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
AES/DES
Sram (kbytes)
64
Self Program Memory
NO
External Bus Interface
2
Dram Memory
DDR2/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
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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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