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Discussion Title Created date
does sd-card block spi bus when initialized ?
Hi, I've got a board here with an xMega128A1, which amongst several other things has a uSD card slot connected via SPI and on the same SPI with a different CS line of course there...
Thursday, 19 April 2012 - 06:34
why does program run with 5.0 but not with 5.1 ?
Hi, I just installed AVR Studio 5.1 just to try it. Before I used the 5.0.1223. When I compile my project with that older version and upload to the AVR via JTAGICE mkII there is...
Tuesday, 17 April 2012 - 11:04
again CRC, I don't get it
Hi there, I know there are several posts about this and I browsed and read a lot in the net but I can not find the point where I am mistaken. I'm doing a transmission from a PC...
Thursday, 29 March 2012 - 11:56
How often can I write the EEPROM ?
Hi, I'm not sure if this a general question or Xmega specific, but how many write cycles are possible on the internal EEPROM of the Xmega ? I'd like to save some counters in...
Thursday, 23 June 2011 - 15:24
does the pointer need to be freed ?
Hi, I'm not often using pointers to let's say arrays of undefined length but in the case below does the char pointer need to be freed ? Sure I always can use a fixed length but I'...
Friday, 17 June 2011 - 13:56
no "manual" jump to bootloader section ?
Hi I just got my bootloader for a xmega128a1 device running but there is one thing that is not working. Like in another bootloader for a mega1280 I'd like to have the option to...
Monday, 9 May 2011 - 11:08
Xmodem on Hyperterminal problem
Hi, I'm encountering a problem with an Xmodem transmission over Hyperterminal. I'm using an xmodem-bootloader that works fine so far, I have no problem with uploading the...
Wednesday, 18 August 2010 - 14:29
create/program "Image" including bootloader?
Hi there, most of my projects require to be updatable, therefore they have a bootloader which is programmed via an ISP or JTAG adapter and the main program is uploaded via serial...
Friday, 23 July 2010 - 07:33
attiny24A: manually clear Interrupt Flags required ?
Hi, I just spend a little time wondering why my timer interrupt fires immediately until I cleared the interrupt flag manually before enabling. Same thing with an external...
Wednesday, 26 May 2010 - 11:16
Webserver problem : need a segmented transmission
Hi, I'm to set up a little webserver on a mega1280 which shows some measured data. I'm currently using the server from tuxgraphics and it's doing well so far. But it has the...
Thursday, 29 April 2010 - 09:28
what kills an XMEGA ?
Hello, this time in the correct forum, I have another problem with my new board. Initially this board drew 48mA on 12V in total. I then assembled some more parts on this board,...
Wednesday, 2 September 2009 - 12:15
no reset after JTAG programming ?
Hi people, again I'm sitting on a new board this time with an Xmega and an AVRJTAGICE MK2. And I was wondering why the controller isn't reset after the re-programming. I was used...
Tuesday, 25 August 2009 - 09:07

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