Sign in
Search Comp.Arch.Embedded
embedded by Keywords
68HC11 | 68HC12 | 8051 | 8052 | ARM | ARM7 | Asic | AT91 | AT91RM9200 | Atmel | AVR | AVRStudio | Bootloader | CFP | CompactFlash | Cygnal | Cypress | Dataflash | DSP | eCos | EEPROM | Embedded Linux | Emulator | Endian | Ethernet | Firewire | FPGA | Freescale | GCC | GNUARM | GSM | H8 | HDLC | I2C | Infineon | Interrupts | Java | JTAG | LCD | LED | LPC2000 | MCU | Microchip | MMC | MPLAB | MSP430 | PC104 | PCB | PCI | PCMCIA | PowerPC | Rabbit | RS232 | RS485 | RTOS | SBC | SDRAM | Sensor | SPI | STK500 | UART | UML | USART | USB | Verilog | VHDL | VxWorks | Xilinx
Discussion Groups
AT91
Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
We found 146 threads matching "at91"
You are looking at page 1 of 4.
The most relevant threads are listed first
new members coming in AT91 family
Fred* - 05:42 21-05-04
hello, just found this info about new family members in the Atmel ARM7
microcontrollers..
the AT91SAM7S look really great :
http://www.at91.com/www/products/flyer/smart_flyer.pdf
...
Where did AT91 forums go?
Steen - 05:20 13-02-06
I'm using an Evaluation Kit (AT91SAM7S-EK) from
Atmel, and early there were some forums at
www.at91.com but now there gone. When I click
on the forum button, the server responds with:
The requested URL /www/phpBB2/main1.html was not found on this server.
Does anybody know where they're gone...Compiler for AT91 ARM processors
Henrik [6650] - 03:17 15-02-06
Hello experts,
For a new project, I am considering the AT91 series of ARM processors from
Atmel.
Anybody here have experience with these processors, and the tools?
I know the "which compiler is best" is a very "religionbased" question, but
nevertheless I'll give it a shot.
So, in your op...Re: debug u-boot using BDI2000
Dan Henry - 19:40 18-12-06
On Mon, 18 Dec 2006 09:34:11 -0600, Jack Klein
wrote:
> Atmel used to have a version of Linux configured to run on their
> AT91RM9200 evaluation board, it was on the SDK CD. They probably
> still have it available on their web site somewhere, although I
> couldn't find it just now with a ...AT91SAM7S256: USB & PWM
=?iso-8859-1?q?Jaime_Andr=E9s_Aranguren_Cardona?= - 20:49 05-09-07
Hello,
I am using the basic USB example on WinARM from
http://www.siwawi.arubi.uni-kl.de/avr_projects/arm_projects/index_at91.html#at91_usb1,
namely the AT91SAM7 USB Example 1.
Additionally, I am using PWM mapped to PA0 to PA2, 10kHz PWM, Period
of 4800, Duty Cycles of 1200, 2400 and 3600...Re: alternative to "arm development suite"
Ulf Samuelsson - 18:52 07-01-05
"Tauno Voipio" skrev i meddelandet
news:j8BDd.430$3U.284@read3.inet.fi...
> Mayank Kaushik wrote:
> > Hi,
> >
> > Im an undergrad who is new to ARM-based controllers. Im working on a
> > custom board based on the AT91rm9200 microcontroller. The aim is to
> > develop an in-ho...Atmel AT91 (ARM) Family
putxi - 13:45 28-10-05
Hello,
Has anybody already worked with this microcontroller family? Which is your
opinion?
They seem very interesting because they use an ARM7 core processor and
include very useful communications peripherals (ethernet MAC, usb
controller, ...)
Does anybody know if there are free developing...Re: ARM 7 and 9 evaluation board recommendation
Ulf Samuelsson - 12:15 12-11-04
"Beamer" skrev i meddelandet
news:1100257224.44036@sj-nntpcache-5...
> Hi,
>
> I'm searching for ARM 7 and 9 eval boards in the price range of
> $500-700. Please help recommend some good & reliable ones.
>
> Thanks,
> -anek
The Atmel AT91 ARM7 based EBxx boards will cost abou...Re: Atmel AT91SAM7S Manchester encoder/decoder
Stef - 05:58 10-08-06
In comp.arch.embedded,
Stef wrote:
> Anyone used the manchester encoder/decoder on the Atmel AT91SAM7S?
> I am currently trying to get it to work on the SAM7S-EK (SAM7S256).
>
An internet search turned up nothing usefull and on the at91.com I
only found this message on the sam7 forum:
h...Re: Atmel serial interrupt (at91r40008)
Ulf Samuelsson - 16:40 11-01-05
"James Johnson" skrev i meddelandet
news:sjk7u09tmvjil374t4l98ri8f4vq8ptif6@4ax.com...
> I'm trying to get interupt-driven serial IO working on the Atmel
> EB40A/AT91R40008. I initialize serial0 this way. In my main loop I am
> transmitting a character about once per second. I can see the ...Re: Next logical step after 8bit uCs?
Tauno Voipio - 15:51 06-12-04
Michael Noone wrote:
> Hi - so I've gotten to the point where I feel fairly competent with Atmel
> AVRs (8 bit microcontrollers) - but I'd like to find something with a bit
> more power. Specifically, I really need a chip that is capable of doing
> more sophisticated math, ie 16 or 32 bit...AT91 watchdog behavior
vizzz - 05:14 23-02-07
Hi,
i'm working on a AT91SAM7X-EK development board, and i'm trying to
figure out if the normal at91 watchdog behavior can be changed or
workarounded because:
"The Watchdog Mode Register (WDT_MR) can be written only once. Only a
processor reset
resets it. Writing the WDT_MR register reloads ...Re: ARM development board
divch - 07:53 26-07-05
http://www.at91.com/ is good start point
Best Regards, Dmitriy Cherkashin.
...Re: AT91RM9200 USB Mass Storage Device BULK Design
Ulf Samuelsson - 16:23 27-04-06
oklm wrote:
> Hi,Members!
> 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 ...Re: AT91SAM7S Flash as general purpose NV memory
Jaime Andres Aranguren Cardona - 14:56 10-05-06
"Meindert Sprang" wrote in message
news:1261tuap7t1hdc0@corp.supernews.com...
> "jaac" wrote in message
> news:1147189240.482815.253220@e56g2000cwe.googlegroups.com...
> > It would be very helpful if someone here (maybe Ulf Samuelson from
> > Atmel, or Hans-Bernhard, or somebody else...FYI: www.at91.com Forum up and running again
Ulf Samuelsson - 00:41 01-03-06
Hope it will stay this way...
--
Best Regards,
Ulf Samuelsson
This is intended to be my personal opinion which may,
or may bot be shared by my employer Atmel Nordic AB
...Re: Opinions about the NXP LPC3000
Ulf Samuelsson - 17:53 26-04-07
> > What do you want to do with the FPU?
> >
> > You can get the SAM9263 with CAN nowadays.
> >
> > --
> > Best Regards,
> > Ulf Samuelsson
> > This is intended to be my personal opinion which may,
> > or may not be shared by my employer Atmel Nordic AB
>
> Hi Ulf - the reason I...AT91: DIfference between APB and ASB?
Mayank Kaushik - 00:16 21-01-05
Hi,
Im working with the AT91RM9200. I am confused about the distinction
between the Advanced Peripheral Bus and the Advanced System Bus..what
are they used for?
Someone kindly elaborate
Thanx
Mayank
...at91 choices for my application...help
Rick - 02:38 08-02-04
I am trying to decide what flavor of the AT91 series ARM ucontrollers to use for
a low cost, low volume product.
I need 4 channels of 10 bit ADC, and 4 channels of 12 bit DAC (though I could
get by with two 10 bit and two 12 bit), hardware PWM would be nice, but I guess
I could do it in softwa...Re: ARM7 with external memory
Henrik [6650] - 11:16 02-05-06
"Ulf Samuelsson" wrote in message
news:e37ntc$7i4$1@emma.aioe.org...
> You cannot make any decision based on just requirement for memory size.
> You need to know processing requirements and peripherals.
Of course not, I am aware of that, and perhaps I should have been more
detailed i...Re: Embedded linux
Ulf Samuelsson - 01:18 03-05-07
> I am working on a VoIP related embedded project. Our aim is to build a
> cheap IP phone and ATA (Analog Telephone Adapter). To be honest I
> don't have much experience with embedded systems, and no expericente
> with embedded OS, like embedded linux.
>
> I would like your help on the fo...arm7 atmel vs others
Rick - 13:47 14-02-04
In my new arm7 design I was biased toward the atmel AT91 seriesbecause I like
the AVR chips so much, but after some research and pointers by nice foks such as
rickman and Leon, I decided to look toward other manufacturer's offerings. One
thing I discovered is that the flash in the atmel chips (w...Re: Microcontroller with I2C and ISO7816 support?
Ulf Samuelsson - 00:39 29-09-06
goister@gmail.com wrote:
> Ulf Samuelsson wrote:
> > goister@gmail.com wrote:
> > > Hi,
> > >
> > > Are there any low cost microcontrollers(8051/AVR/etc) that support
> > > both I2C and ISO7816 interface?
> >
> > I assume master ISO7816 so: AT91SAM7S32(1)
> > It only supports I2C m...Re: AVR AT327000
Ulf Samuelsson - 16:00 23-05-07
"Dan N" skrev i meddelandet
news:46543283$0$17977$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
> I've been shown a new dev kit for the AVR AT327000 that uses embedded
> linux and I wanted to get advice and opinions on this processor. I'm not
> familiar with AVR processors at all.
>
...AT91SAM7 samples
Mark Borgerson - 12:43 25-04-05
Hi,
Does anyone know of a source for samples of any of the chips in the
AT91SAM7 line? My standard net searches show only the dev kits
at $250. I don't really want another dev kit, since I already
have the full IAR ARM compiler and have done several designs
with the AT91R40807. I'd like ...E-COS development
Alfredo Astori - 12:06 16-12-03
Hello,
I'm looking for a good OS to use with a new project that, probably, will be
builded around an ATMEL AT91 processor; the project is intended to develop
an acquisition system device with an Internet connectivity.
I haven't any experience with Linux & Co., so can this OS be very hard to
...Re: Atmel press release for ARM9 with flash
Ulf Samuelsson - 16:11 17-08-06
"Eric" skrev i meddelandet
news:1155790130.396141.14560@p79g2000cwp.googlegroups.com...
>
> Ulf Samuelsson wrote:
>
> > > Ah, a 32 bit AVR, looking forward to it, thanks
> > >
> > Now when we have the AVR32, this comment may be confusing :-)
>
> Are you going to make an AVR3...Cypress web site down
rickman - 12:39 14-08-06
Anyone know what is wrong at Cypress? I have not been able to get on
the web site for a couple of hours. Just in the last 15 minutes or so
I have been getting this error message instead of coming up blank.
"The server has experienced an error on startup. This problem must be
fixed before us...Re: ucos-ii and GNU compiler
15:17 14-09-04
majamassarini@tiscali.it wrote:
> I'm looking for compile ucos-ii RTOS port to the Philips LPC2129 with
> the GNU Compiler. The code available on www.micrium.com site is,
> instead, intended to be used with the IAR Compiler.
...
Maybe my ucoss-ii port for AT91R4000x CPU can help you.
Look a...Re: Orcad symbols for the AT91SAM family?
Mike Noone - 17:44 23-05-06
rickman wrote:
> I looked on the Atmel site, but I didn't find anything. Anyone know if
> Atmel makes symbols for their parts available?
They have BDSL and IBIS models on the at91.com site - isn't one of
those an Orcad part file? I don't know as I don't use orcad.
-Mike
...Re: Which is the most popular ARM-based microcontroller?
Tauno Voipio - 06:15 06-03-05
Mayank Kaushik wrote:
> Okay...Lets put it this way..which ARM-based microcontroller is the
> easiest to work with, the criterea for "easy" range from the way to
> access internal components, example code availability, and the
> existance of user groups etc.
>
Maybe Philips LPC2000 or ...Re: Powerful uC/CPU in non-BGA package...
Ulf Samuelsson - 13:37 07-02-05
> >
>
>
> Did you use those Atmel EK/DK boards? Guess those are not cheap (o;
>
> Or are there any toger vendors for AT91RM9200 kits?
>
>
> thx in advance
> rick
>
There are cheaper boards available at www.at91.com
http://www.mechatronicbrick.dk is a new DIMM board with...uC recommendation
Bo - 12:07 31-08-05
Looking into uC for an small embedded project.
I need the following interfaces:
Compact Flash with DOS File system
Ethernet MAC
2 Uarts
Can anyone recommend a uC that fits the bill?
I'd greatly prefer avoiding an RTOS if possible--but I do need DOS file
system and TCP/IP capability.
...Re: Efficient datahandling in flash
Ulf Samuelsson - 15:44 28-05-06
"Henrik [6650]" skrev i meddelandet
news:4474dac7$0$47029$edfadb0f@dread15.news.tele.dk...
> Hello group,
>
> After years of development on various windows CE platforms, I am now
> tasked
> with developing software for a new Atmel ARM7 based design.
> We plan to use a serial SPI fla...AT91 - Execution out of internal SRAM
Dan Rhodes - 15:52 27-02-04
Hi All -
I'm trying to set up my code to execute out of internal SRAM on an
AT91FR40162 using the IAR EWARM toolset. Does anyone have any advice
on how to do this?
If the linker thinks ROM starts at 0x00000000 (which it does prior to
remap) and the remap command moves the internal SRAM to ...Favorite Philips/NXP LPC21xx websites/forums?
John - 04:39 14-09-06
Hi,
I've recently started development with a Philips LPC2103. I know Atmel
has a site, AT91.com, which I found useful for AT91SAM stuff. I'm
looking for suggestions or recommendations on websites/forums that
discuss using the LPC21xx parts.
I did the Google search already but ended u...How do you format an ARM axf file to write directly to flash
Chris - 00:04 07-09-04
Hi everyone.
I have a program running on my AT91 board (using AT91R40008) that can send
data to flash via xmodem. I also have an ARM AXF file that I want to burn
into the flash. How do I format the AXF file to burn it into flash? Do I
burn it directly or does any formatting need to take place.
...Re: USB Host
Jonathan Kirwan - 14:02 23-01-05
On Sun, 23 Jan 2005 14:49:45 +0100, "Ulf Samuelsson" wrote:
> > First time I'd ever taken on a new processor with this much ease. So,
> > I guess I've found programming in assembly on the AVR very nice.
>
> > However, that positive experience was colored by a number of subsequent
> > ...Re: CPU selection
Ulf Samuelsson - 15:59 29-03-05
> For a sensor application, I need to select a CPU able to:
> - wake-up from power down;
> - sample a sound signal for at least 20 sec;
I think it is critical to know sample rate and resolution.
If we assume 48 kHz and 16 bit mono, you are looking at 2 MByte of Data!!!
If you use an 8 kHz ...Programming an HD44780 connected to an AT91 on ecos
loaded_tk - 20:22 13-02-06
Hi,
I just started working on my 3rd year group project in elec engineering
where we have to design an ECG, my part of is to connect and program an
LCD to display the heart beat of the horse.
We're goin to use an AT91EB55 evaluation board with an AT91M55800A on it,
so far i just found the pins...