AT91RM9200 in Comp.Arch.Embedded
Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
We found 105 threads matching "AT91RM9200"
You are looking at page 1 of 3.
The most relevant threads are listed first
So far in May, you have voted 0 times ou of a total of 22 votes by the community.
Please help us clean the archives from unuseful discussion threads by using the voting system! Details here.
psriniva - 2006-05-24 10:57:00
I am trying to port Nucleus Kernel onto the AT91RM9200 Target (on Cogent
CSB337) using Nucleus EDGE IDE. I am facing some problem with the Stack
handling especially while servicing the interrupts.
Has anyone been able to successfully prot Nucleus RTOS onto AT91RM9200?
Please let me know.
Im trying to port linux to a custom board i designed (based on the
AT91RM9200 ). But im faced with a problem - after the execution of the
kernel is started , at the very first instruction , i get an invalid
instruction message ( which further prints all the register values)
Started by Unknown 8 years ago
Someone asked me to help him with AT91RM9200 and AT91RM9200-EK kit.
I have gnu toolchain with gcc "3.4.3". I plan that we will run programs
directly on that processor - without any kind of operating systems (linux
I'm looking for project samples for this board. Are t...
MaheshS - 2005-12-06 06:29:00
I am doing a prototype baord based on AT91RM9200.I am planning to use
Intel Strataflash memory (E28F640J3A)on the board.This flash memory is
having a program enable input.How can i connect this to the processor,
while interfacing?If anyone is using the same flash, please suggest.
Also I w...
Saeed - 2006-05-05 14:18:00
Hi, I'm trying to build a system using AT91RM9200 208pin (Linux) and I
would greatly appreciate anyone share his experiance on using just SPI
Data Flash like AT45DB642 on AT91RM9200 208pin without using other kind of
memory on Linux
Pelos - 2006-05-31 05:32:00
I'm finishing my RM9200 board (32MB SDRAM, 2MB SPI NOR, Smart Media,
Now I need to choose te audio interface.
First - I was thinking about AC97 codec - like National's LM4549 because I
saw this chip in some RM9000 SDK boards.
But I saw some posts with information that...
pingSmith - 2006-03-28 05:14:00
Has anyone had experience using audio on the AT91RM9200 under Linux? I
was thinking of using the AC97 codec used (but not populated!) on the
DK board design. I only need mono.
Thanks in advance for any help.
Im working on building a dev board based on the AT91rm9200. I have
based this design on the AT91rm9200-DK for reference. Im trying to add
a keyboard to this board, but this has been hampered by the
non-availability of the chip thats used to convert the PS/2 data to
serial or SPI on the AT...
shwethap07 - 2010-11-24 10:43:00
i m doing fingerprint authentication.I want to make it standalone without
using PC.so thought of using ARM processors as i m not so good at DSP
so friends guide me which ARM suits best for the application.Can i use
AT91RM9200 for ma project?
MaheshS - 2005-11-28 07:45:00
Can anyone explain why the address line A14 from AT91RM9200 is connected
to NC pin of SDRAM (MT48LC8M16A2)? (reference: AT91RM9200ek-userguide,
SDRAM interface section)
santoshkumar - 2007-04-11 16:54:00
Can someone tell me if how can i implement My AT91RM9200 as an Mass
If connected to the PC it shold be detected as a pen drive.
or can someone send me the link for the code
I have couple of questions in my head before buying an ev board..
Does anybody knows at91rm9200 sd card read/write performance?
Does AT91rm9200 uses 4 wire sd mode or only 1 wire spi mode?
what is maximum sd card erad/write performance when programming in
assembly and C ?
Started by tesla
7 years ago
oklm - 2006-04-26 21:32:00
I am looking for source code that will allow an embedded device to look
like an USB mass storage device when inserted into a host PC. The embedded
device has an ARM core, the CPU in particular is an Atmel AT91RM9200, and
will be using embedded Linux as its OS.
Anyone give me some...
Is it possible to use a low voltage (1.8V) SDRAM chip with the AT91RM9200?
All the schematics i've seen or the finished boards uses 3.3V ones.
Started by Hijax
8 years ago
pj0585 - 2009-06-13 08:02:00
Has anyone tried using AT91RM9200 with external decoder for SPI?
I'm trying to talk to 15 slaves through the SPI on my custom board.
When I configure the SPI in the external decoder mode then the SPI
peripheral is not giving chip select signals.
If anyone has tried this and has come a...
pj0585 - 2009-09-26 01:11:00
Has anyone added new board support for AT91RM9200-EK to SAM-BA? If anyone
has, then can you please send the files that were modified or give me
indications on how to go about this.
I'm surprised that atmel has not added support for this board in SAM-BA.
Now we are in study phase in analyzing to identify the
microcontroller which is having in-build Ethernet port, memory
interface (say CF) and USB port. Now we chose AT91RM9200 tha is the one
which is having all these options. Could we interface any touch screen
display with this m...
Im an undergrad working on installing Linux on a custom development
board based on the AT91RM9200 (for my senior project). Since this is
the first time im doing this, i decided to go for the
"linux-2.4.27-vrs1-ATMEL" kernle available from the Atmel site.
Incedentally, this kerne...
Im working on a prototype board for the AT91rm9200. I have been
following the design of the AT91rm9200 EK.
In using the same flash as the obe used on the board, i have a small
problem. Why have buffers been used between the chip`s lines and the
lines of the flash?
i have seen boards...
George Pontis - 2006-11-06 20:17:00
Just beginning a new design here, built on the AT91RM9200. I am
searching for RoHS-compliant components that will be available now and
hopefully well into the future. First up is a enet PHY.
AMD says that they have successfully tested these PHY chips: Intel
LXT971A, Davicom DM9161E, AMD Am79C8...
We are designing a microcomputer based on the Atmel AT91RM9200
controller. We are gong to give it 128Mb of SDRAM, 4M X 32. I am
trying to decide whether to use 2 x 4M x 16 or 1 x 4M x 32. The
reference design uses 16 bit wide memories, which appear to be
slightly cheaper than the equivalent 32 w...
dirkgently - 2008-10-21 08:26:00
I am using kwikbyte at91rm9200 and I want to setup kgdb remote debugging.
I have compiled a kernel with kgdb support for serial port (8250) debugging
but I haven't figured out what the kernel boot parameter needs to be for
kgdb8250= , , ,
The simpler setting kgdb8250=tty...
Bhavik - 2009-03-03 04:46:00
I have a board with AT91RM9200 SoC. I am trying to write a test to use
Micro SD card on this board.
I am using MCI interface to use Micro SD card.
The initialization commands are working correctly for the Micro SD
card. I get all the parameters back after the initialization commands....
I like to build U-Boot for the Atmel AT91RM9200 ARM9 demo board.
However the docs say that it is only buildable on Linux using GNU C.
I like to ask if U-Boot can be built using the Greenhills compiler
using their MULTI IDE on the Windows XP platform? Has anyone gotten it
zhangjian - 2006-05-12 08:07:00
I want to design a system with dual ethernet port using at91rm9200,which
Ethernet chip should i choose?How to control the Ethernet chip using
at91rm9200? It need work at 100Mbits/s
I have a board based on the AT91RM9200, and want to boot from SPI
dataflash. The loader will proceed to boot u-boot (Which is too big
for the ROM bootloader to handle). I have read the atmel appnote on
that, but boot program will need to be changed. My SDRAM is
configured differently than the...
Dodd - 2007-07-05 08:54:00
I have what appears to be an odd problem when a Lauterbach (PowerTrace or
just the Debugger) is connected to my target board an AT91RM9200-EK.
Without the Lauterbach connected on power up UBOOT runs and I can then
TFTP an image into RAM.
With the Lauterbach connected on power UBOOT runs but wh...
Pelos @ Home - 2009-10-18 15:16:00
Does somebody have working Linux drivers atmel_spi and mtd_dataflash ?
I have AT91RM9200 with 8MB spi dataflash connetcted to SPI CS0.
Before I was using at91_spi and at91_dataflash in kernel 2.6.23 (patched
from maxim) and it was workinf fine. When I switched to the atmel_spi
I'm looking into a design to convert from synchronous serial interface
(SSI) to ethernet. The ethernet connection will be a direct, point to
point connection and will probably use UDP. I have looked at the data
sheet for the AT91RM9200 and it seems as though it may work. I'm new
to ARM ...
Im using a custom board, with an AT91rm9200. Im am trying to load some
code onto the microcontroller using the xmodem protocol, but things
dont seem to be going right. I am using the Debug port to transmit data
serially to and from Hyperterminal in windows.
I am using the xmode...
Im trying to build a dev kit for the AT91rm9200, and have linux running
on the final board. However, due to the unavailability of buffers for
the parallel flash, i can only use the SPI DataFlash for storage, and
this is where the OS would reside.
If anyone out here has the At91rm9200-Dk...
Reiner - 2006-10-30 07:38:00
We build own at91 board with an AT45DB642 and 64MB of SDRam.
Above I'll describe some details.
At45DB642 is attached to at91rm9200 on CS0 and SDRam is using a 32bits
of data path.
We already tested both, and they are working without any kind of
problem. We wrote data on At45DB642 and ...
oklm - 2005-12-14 10:45:00
I want to add a debugging stub on AT91RM9200 target,I've looked at
some information about it,but i don't know how to write that AT91-stub.c?
On the host,
GDB already understands how to use this protocol; when everything else
is set up, you can simply use th...
Started by Unknown 6 years ago
Hi to all AT91RM9200 experts!
As i am in deep trouble i kindly ask you for some help ...
On my board, everything is running perfect (u-boot, linux, application
on top of linux). The only thing that troubles me is the bootstrap
code boot.bin that resides on the external flash (at 0x1000 0000...
im learning how to use the AT91RM9200..right now im trying to tackle
the AIC. iv set everyhting up, earmarking PIOA0 for an external
interrupt through a switch connected to it, so that theoretically
whenever the switch is pressed, an interrupt is generated that sends a
string via the debu...
rohshall - 2008-10-27 07:46:00
I compiled the kernel image using buildroot for the at91rm9200 development
kit (at91rm9200-dk). And I am trying to boot up the kernel using u-boot.
I have tried two ways of booting it up.
1. Using bootm command (after downloading uImage):
But though u-boot successfully identifies the im...
Im a senior undergrad working on a project to develop an
AT91RM9200-based development board, which will be my final undergrad
project. Till now, i have been working on interfacing stuff to this
controller, setting up its internal peripherals to build interfaces for
a final development boa...
odi - 2009-06-08 15:27:00
I have designed board with AT91RM9200 microcontroller and I've got some
problems with programming it... I wanted to program any bootloader into
connected AT45DB041D dataflash. Right now I can't send data via DBGU - I
thought it is MAX3232's fault but I replaced it and still nothing. However
Is there anybody who has used the SSC of the atmel AT91RM9200 in
master mode to control an audio DAC ?
I used the settings as described in the Atmel application note in my
device driver, but when a data to the driver and watch output on a
scope I see that left and right channels sometimes swap...
ive been trying to interface a 16MB SDRAM (MT84LC8M16A2, 128Mbit,
2x16x4)with an AT91RM9200 on my custom board. The SDRAM and the uC are
placed close to each other on the 2-layer PCB (which me and my friend
I wrote a small SDRAM test program that sends a unique *byte...