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Discussion Title Created date
Help with xmega startup.
Freaks, I am having trouble with accessing the xmega registers with avr-gcc. Could someone please post some start up code so I can get a handle on how they have setup the access...
Tuesday, 30 June 2009 - 12:24
Logic level conversion for xmega.
Freaks, I need to convert between 5V and 3.6V logic. ( In both directions ). I am evaluating using an Xmega part for an upgrade to an existing design. I have searched this forum...
Thursday, 25 June 2009 - 14:54
Xmega SRAM access?
Freaks, After some hardware related questions in another post, I have come to learn that there is no support for the increased SRAM map in avr-gcc. Can we expect this to be added...
Friday, 19 June 2009 - 12:47
A simple Xmega SRAM question.
Freaks, I am considering an xmega128a1 for a project. I have searched this forum and spent some time with the Xmega manual. (revision G). I cannot locate any details regarding the...
Thursday, 18 June 2009 - 20:02
Help with MMC/SD card library.
Freaks, I am trying use Roland Riegel's card access libraries to write and read data from an 4G MMC card. www.roland-riegel.de I have the hardware in place and it checks out okay...
Monday, 15 June 2009 - 18:51
HV spark will not ignite explosive vapours. Why?
Freaks, I have a pretty good idea of the reasons behind the effect I am going to describe but it would be great if someone with a little better understanding would comment. One of...
Sunday, 17 May 2009 - 16:37
Logic level conversion.
Freaks, Can anyone suggest some methods for converting the 3.3V logic levels of the Xmega parts to the 5V levels of LS and other logic families? I need suggestions for input and...
Monday, 11 May 2009 - 13:53
A PCB design question.
Freaks, Over the years I have probably designed and test over 200 PCBs. I often take the time to examine the work of people with more experience. I have noticed the most of the...
Friday, 1 May 2009 - 20:13
Recommends for a logic analyzer?
Not sure of this is the correct forum. Looking for a PC based logic analyzer. Does anyone have anything they would recommend? Low cost and PC based would be best. A
Wednesday, 29 April 2009 - 16:06
MMC vs SD question.
All, I am looking at elm-chan's FAT routines for a project. I have looked at several of these libs for the MMC/SD interface. After going through the documentation a couple of...
Monday, 27 April 2009 - 11:34
SD socket question.
Freaks, This socket comes from Sparkfun. For the life of me I cannot locate the pins for disk inserted and disk locked. Am I missing something? Thanks, A
Thursday, 23 April 2009 - 16:50
Looking for help with a hack.
Freaks, I am investigating the possibility of using an off the shelf print engine from a desk top printer in a project. The print engine has two connectors and a controller ic...
Tuesday, 21 April 2009 - 20:33

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