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Two JTAGICE3 programmers connected, AS6.1 confused
I'm having a problem using two JTAGICE3 programmers on my computer. For some reason even if I select the second one as the debugger in the project options the first one is always...
Fri. Nov 22, 2013 - 02:15 PM
A better way to create string tables
String tables are a common tool for creating menus, lists of commands, translatable strings and so forth. Unfortunately the traditionally recommended way of declaring them is a...
Mon. Sep 30, 2013 - 01:02 PM
Upgrading Atmel Studio never, ever works
Just "upgraded" to the latest version of AS6.1sp2. Tried to install over AS6.1sp1 but afterwards no tools, not even the simulator, could be found in AS. Had to uninstall and...
Thu. Sep 26, 2013 - 03:56 PM
ADC idle current
I just wanted to confirm something. When the ADC is enabled but not converting the power consumption is pretty much the same as when it is converting in my tests. I have CURLIMIT...
Fri. Aug 30, 2013 - 10:26 AM
Greater than 12 bit resolution with gain stage and two ADCs
I am working on a project that requires sampling noise over a large dynamic range. The ADC's 12 bit resolution doesn't seem to be enough so we are looking for a low cost way to...
Mon. Aug 19, 2013 - 08:47 AM
Why does sleep_cpu() use a do...while() loop?
In sleep.h the function sleep_cpu() is defined as: #define sleep_cpu() \ do { \ __asm__ __volatile__...
Fri. Aug 9, 2013 - 03:40 PM
memcmp failing when executed in bootloader
Morning everyone. I have a weird problem which I just figured out, so thought I would share in case anyone else experiences it. I wrote a bootloader that does some checks on...
Tue. Jul 30, 2013 - 08:56 AM
Crash with JTAGICE3 after update to 6.1.2674
Hi. I installed the latest AS6 update (all 800MB of it) and now every time I try to do anything with my JTAGICE3 I get this: My old AVR ISP mkII works fine. The JTAGICE3 update...
Wed. Jul 10, 2013 - 02:45 PM
Signature row issue with -Os compiler option
Hi. I found an annoying problem related to compiler optimization levels and reading the signature row. I don't have time to debug it further but I found a solution that I thought...
Tue. Jun 25, 2013 - 11:02 AM
External 32KHz oscillator takes 500ms to start
I noticed something odd when trying to wake up from Power Save mode with the CPU clock set to use the external 32.768KHz crystal on the TOSC pins. I use an async pin edge...
Fri. Jun 21, 2013 - 09:43 AM
Dataflash lies! Page erase fails to set the busy bit
My Dataflash chip is lying to me! I have an AT45DB081D chip and am sending page erase (0x81) commands to it. The datasheet says that after the page erase command the busy bit in...
Thu. Jun 20, 2013 - 11:07 AM
Maximum interrupt latency
Hi, me again :-) I have been trying to work out a worst case scenario for interrupt latency on an XMEGA. According to the manual: 1. Trigger time, 0 to 1 cycles 2. Finish...
Tue. Jun 4, 2013 - 08:14 AM

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