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define a vector to an ASM isr in an IAR mixed C/ASM program
Creating the asm isr module with the necessary EXTERN, PUBLIC, RSEG etc directives is no problem. But how do I place the vector within the context of the program structure that...
Wednesday, 12 January 2011 - 03:06
The Appollo Guidance Computer - AGC, not AVR
Not for the kids - it's like trying to interest them in the Wright Brothers work - but for those of us who lived and worked in the emerging digital era of the 1960s, this looks...
Wednesday, 1 December 2010 - 11:32
Erase/Programming current for mega88(P)(A) or similar?
Does anyone have an idea of the peak currents during page erase or write? It doesn't seem to get a mention anywhere in the datasheet, nor in any document that I could find on the...
Tuesday, 28 September 2010 - 04:05
Anyone used FPSLIC?
This might be a 1-chip solution for a new device I am considering. However, it's been around for a while, and the design software was last updated in 2007, so ... Are there any...
Wednesday, 27 January 2010 - 00:23
Is xmega a viable device for a long-term project?
For a long time I have contemplated basing a new design on the xmega; - multiple uarts, multiple SPI, and an (apparently) versatile memory interface make it very attractive. BUT,...
Monday, 7 December 2009 - 00:32
AVR320 appnote (software SPI) screwed up???
I needed a s/w SPI, so rather than re-invernt the wheel, I figured that there was bound to be one already available, and sure enough there is AVR320. Will someone look at the...
Thursday, 19 November 2009 - 06:40
UC3A3 framework and Studio32 questions
Hi All, I'm new to '32 although I've been using the 8-bit devices since they were first released. Now I want to develop around the UC3A3256, so I d/l and installed Studio32 2.2.0...
Sunday, 8 November 2009 - 04:08
AVR ISP MKII won't connect on XP systems
I've been using the MkII on my Win2k systems for a long time, no problems. I just connected it to an XP Pro system (with Studio 4 already installed), let the system do its install...
Thursday, 8 November 2007 - 04:54
"Advanced Options" in Assembler Options on Project
I've been testing some straight dos command strings, and some batch files, in the "Pre assembling" pane of this option. The effects are somewhat inconsistent, to me at least....
Wednesday, 15 August 2007 - 05:21
Converting avra macros to gas macros
Avra first substitutes the actual argument string(s) into the %0, %1, etc strings of the macro definition, then evaluates the resulting strings. I can't see a simple way of...
Monday, 4 December 2006 - 13:14
FreeRTOS
Does anyone here have experience with FreeRTOS in a large commercial application? Or perhaps with one of the other RTOS packages? Opinions, experiences, reasons for choosing one...
Monday, 4 December 2006 - 05:19
Division routine up to 24 bytes
Hi All, Attached is code for a divide unsigned/unsigned for numbers up to 24 bytes long. Just specify the length with .EQU NBYTES = nn. There is also a dedicated 32-bit unsigned/...
Thursday, 2 November 2006 - 13:09

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