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Xmega DFLL, does it work?
Does anyone know any magic words that makes it work? I have the Xmega 128a1 rev H and tried to use DFLL for the 2 MHz RC oscillator. It doesn't do anything.
Sunday, 27 December 2009 - 23:32
Xmega ultra low power oscillator (ULP)
I'm trying to figure out the Xmega clocks. I have come to the conclusion that the output of the ULP is 1 kHz, and only 1 kHz. The parts of the Xmega A datasheet that say...
Sunday, 20 December 2009 - 17:16
Mysterious Xmega register
This is from the Xmega A datasheet. The table pretends to define the Prescaler A field in the System Clock Prescaler register. But they can't fool me. There are 32 possible bit...
Monday, 14 December 2009 - 13:03
Maybe a minor bug in xmega header files
I mean the files like iox128a1.h The symbol GPIO can't be used because GPIO_t is not defined. It could be that nobody in their right mind would use that symbol, but I tried to use...
Thursday, 10 December 2009 - 18:58
Can a program tell if it is running on the simulator?
If no other way, maybe I could use a known simulator bug that causes it to get different results than a real AVR would get. I have _delay_ms(500) in some test code. It takes an...
Thursday, 10 December 2009 - 16:00
Atmel's Jungo driver crashed my Win7.64bit O.S.
I was using AVR Studio, and I got a blue screen. It was caused by windrvr6.sys. That's the freakin' Jungo driver. Jungo drivers used to be junk. I guess they haven't gotten...
Tuesday, 8 December 2009 - 23:16
64 bit blues
I can't do a make on either of my 64 bit Win7 machines. Some times it works but most of the time it fails. I have no problems with 32 bit Win7 or XP. I reported this problem...
Monday, 7 December 2009 - 00:37
Xplain it to me.
I have the Xplain board version 2. Does the Xmega come with a bootloader? Can I use that USB contraption to program it, right out of the box? If so, are there instructions...
Tuesday, 1 December 2009 - 17:04
WinAVR versus Windows 7 64 bit
I have the latest WinAVR (March. 2009) I get some errors when I run make with Windows 7 64 bit. It works okay with Windows 7 32 bit. Because I have both OS versions installed,...
Tuesday, 17 November 2009 - 23:16
ExpressPCB annoyance
The ExpressPCB.exe and ExpressSCH.exe programs don't remember their window size. Every time I start them, I have to stretch out the window. Why do they want to annoy me? Did I...
Tuesday, 29 September 2009 - 14:22
Sziklai pair?
Why don't them make them in a single package like Darlingtons? While on the subject of "why don't they make 'em", why don't they make a CMOS pair in a package? It would have 4...
Thursday, 2 July 2009 - 12:50
AVRs measure their own VCC, but do it badly.
The modern AVRs can measure their own VCC with no external parts, by configuring the ADC to attach AVCC to the "reference" input and attach the internal bandgap to the "input"...
Thursday, 18 June 2009 - 00:12