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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.
Reset behaviour in AT91SAM9RL64 [2 Articles]
"ICLI, Bekir (EXT)" - Mar 12 2008
Hi all,
I am trying to find out the reason why my code gives an SWI exception.
What I do is, load my code to sdram, and at some point set the PROCRST
and EXTRST bits of Reset ... 
at91sam9260 shutdown (SHDN)
Matt Andrew - Mar 11 2008
I'm designing a board with an AT92SAM9260 on it. I've run into three
questions that seem unanswerable from the Atmel datasheet alone:
Is the SHDN pin low or high when the devi... arm926ejs simple interrupts [11 Articles]
kumori0 - Mar 6 2008
Hello everyone,
I'm a student, trying to move up from programming PIC micros to
working with ARM microcontrollers.
At the moment I have a lot of problems with the whole co... graph of speed vs power for five brands of ARM7 - available? (Courtesy: Jean Pierre")
K Sathya - Mar 6 2008
Subject: Is the graph of speed vs power for five
brands of ARM7 available? (Courtesy: "Jean Pierre";
user name - jeanpierrepoulin")
Hi,
"jeanpierrepoulin" has written in ... AT91SAM7S USB device force host disconnect [2 Articles]
Edward - Mar 4 2008
Hi,
We currently have DP pin connecting to 1.5K pull-up.
I am wondering if there is any way, without doing hardware change, we
can emulate a unplug then plug sequence that ... help installing gnu arm compiler
"sean.disman" - Mar 3 2008
so i'm installing the gnu arm compiler for the first time. I'm
following the exact instructions provided by the official support
section of the gnu arm website.
I created a fold... Generating FIQ interrupt in AT91SAM9RL64
"ICLI, Bekir (EXT)" - Mar 3 2008
Hi all,
I wanna test my FIQ handler but couldn't manage to generate an FIQ
interrupt.
I tried AT91C_BASE_AIC-> AIC_ISCR = AT91C_ID_FIQ which requires the
fiq interrupt to ... SD/MMC card on an sam7-ex256 [30 Articles]
axl_dudu - Mar 2 2008
Hello,
does anyone has a working example for controlling the SD/MMC card on an
at91sam7 (preferably with the olimex's board sam7-ex256)? I have been
struggling to get working ... missing whitespace after the macro name
hudson_low - Feb 29 2008
Hi,
I am using CrossStudio for ARM.
Release 1.7 build 2.
try to remove the above warning.
"missing whitespace after the macro name"
any idea? any help?
Thanks!
HS
...