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AT91SAM ARM
For users of the Atmel AT91SAM7 and AT91SAM9 ARM CPU chips. Atmel has taken a new direction by combining on chip flash and ram with the ARM CPU on a single die. This provides low cost devices for small systems using the ARM CPU. This group is to exchange information to help users get started and learn how to use the devices.
timing calculation [3 Articles]
Bernd - Aug 6 2008
Hi,
I`ve a question about timing. The trace difference is 40mm, the
frequency is 96MHz and the FR4-material-speed is approximately 0.16
m/ns.
How do I`ve to calculate th... 
Any one having problems with Rev B AT91SAM7S256 parts? [5 Articles]
techguy2000 - Aug 6 2008
We've just had a new batch of boards built with what appears to be
Rev B parts and are seeing a problem. The markings are AT91SAM7S256,
then AU on the next line, then B on t... CRC7 codes [3 Articles]
mxu193 - Aug 1 2008
Hi everyone,
I have CRC16 codes. I tried to change it to CRC7 codes. It seems not
working.
Could someone send me CRC7 codes.
Regards,
Maolian Xu (m...@yahoo.com.au)
-------... About interrupt handling [6 Articles]
"ICLI, Bekir (EXT)" - Jul 28 2008
Hi all,
In ARM926EJ-S Architecture, If I am not using nested interrupts, do I
need to perform a write to IVR register?
> From the beginning, I started with the interrupt han... [ANN] eLua 0.2 released
Bogdan Marinescu - Jul 27 2008
Hello all,
eLua is an effort to bring the programming language Lua
(http://www.lua.org) to the embedded world, making it a fully fledged
embedded development language. For mor... twi interface / frequency problem [2 Articles]
Bernd - Jul 26 2008
Hi,
I`m working with the AT91SAM9260 controller and I want to install the
TWI interface. Taking a look at the examples from the atmel homepage,
I get a very strange error. ... at91sam7 Reset routine
wuerzi - Jul 23 2008
I have some problems with the software reset on an Atmel at91sam7s256
Controller, in principle it should work but if I change things that
have absolutely no visible connection to... [at91sam7x-ek] more TWI? [8 Articles]
dawido85 - Jul 21 2008
Hi,
I'm wondering, if it's possible to implement more than one TWI
interface? Can I use predefined registers? Can I control more then one
peripheral at once?
----------------... Designing an AT91SAM9261 based board [5 Articles]
akse...@gmail.com - Jul 17 2008
I have been thinking of designing an AT91SAM9261 based board, it will have NAND flash as storage and SDRAM as memory. It will also have an lcd and will be running linux.
Im only... AT91SAM9260 programm Nor Flash at NCS0 [2 Articles]
Bernd - Jul 13 2008
Hi,
I`m working with the AT91SAM9260 controller and I try to download some
code by the jtag interface to the external NOR flash (connected at
NCS0). When I power up the boa...