SAM9G25 Atmel Corporation, SAM9G25 Datasheet - Page 165
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SAM9G25
Manufacturer Part Number
SAM9G25
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G25.pdf
(1147 pages)
5.SAM9G25.pdf
(53 pages)
Specifications of SAM9G25
Flash (kbytes)
0 Kbytes
Pin Count
247
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
Lin
4
Ssc
1
Ethernet
1
Sd / Emmc
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
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
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
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G25 PDF datasheet #4
- SAM9G25 PDF datasheet #5
- Current page: 165 of 248
- Download datasheet (2Mb)
8.5
ARM DDI0198D
Privileged instructions
Coprocessor pipeline
CPLATECANCEL
CPINSTR[31:0]
CHSDE[1:0]
CHSEX[1:0]
nCPTRANS
nCPMREQ
CPPASS
CLK
The coprocessor might restrict certain instructions for use in privileged modes only. To
do this, the coprocessor has to track the nCPTRANS output.
Figure 8-7 shows how nCPTRANS changes after a mode change.
Copyright © 2001-2003 ARM Limited. All rights reserved.
CPRT
Fetch
Old mode
Decode
Ignored
Decode
Ignored
Decode
LAST
Execute
New mode
Figure 8-7 Privileged instructions
Ignored
Memory
Coprocessor Interface
Instruction
aborted
8-9
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