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XMEGA-A1 Xplained: JTAG connector mounted too low on PCB?
Happy new year 2014 to everyone! I would like to connect the XMEGA-A1 Xplained Kit ("A09-0560/07", green PCB) to a dragon board via a 10pin ribbon cable. http://www.atmel.com/...
Saturday, 4 January 2014 - 00:50
Reducing download time (for bootloader) with avrdude
Hi guys, I tried to find an answer to these question in the avrdude help and also here in the forum, but I could not figure it out (maybe I used the wrong search terms): 1) Is...
Friday, 13 September 2013 - 17:47
AVR Quiz @ avrfreaks.net
Hi! I also looked at https://www.avrfreaks.net/index.p... ("AVR Quiz") but started a new thread, because it's so old... First of all, it's very entertaining to have a quiz on this...
Sunday, 18 August 2013 - 15:56
Preprocessor trick to convert F_CPU to string in unit MHz
Hello Freaks, is there a simple way to make the following code valid for any clock frequency: #if F_CPU == 8000000UL # define F_CPU_STR "8MHz" #elif F_CPU == 12000000UL...
Sunday, 26 February 2012 - 15:26
Is it safe to use the util functions in bootloader section?
Hello hArVaRd* freaks, about static inline function, there are several threads, e.g. topic 67893. But one question is open for me: Can I get sure, that a function, which is...
Monday, 8 September 2008 - 17:09
Does WinAvr20071221 initialize zero register too late?
In the documentation (e.g. at http://www.nongnu.org/avr-libc/u... or http://www.nongnu.org/avr-libc/u...) I read that the __zero_reg__ = r1 should always be 0, since the compiler...
Thursday, 6 March 2008 - 13:24
Comments in mfile for GCC4.2.2 up-to-date?
Hello, I had an older project, which was originally build with WinAvr20040720 (GCC 3.4.1), where I put the globals (and the heap) into the external memory. In the Makefile I used...
Wednesday, 9 January 2008 - 17:42
Incompatible (buggy) USART example code (reti missing)
Is this already known at ATMEL's datasheet editorial office? In several (all?) datasheets the USART receive example needs in the assemly part a 'ret': Assembly Code Example(1)...
Tuesday, 8 January 2008 - 13:04
Parallel data lines on PCB (track width, gap width)
On an AVR application I have connected some other parts digitally, memory with parallel address/data bus and also parts with serial peripheral interface (SPI). I am talking about...
Tuesday, 28 August 2007 - 12:25
Pull-down resistor for MOSFETs required?
Hello Hardware freaks, as an output driver I want to use a (dual) N-channel MOSFETs, a IRF7530, see http://www.irf.com/product-info/.... I have connected the gates of the MOSFET...
Wednesday, 13 June 2007 - 09:16
Understanding and repairing the STK500
Hello AVRfreaks, I found some threads about updating the STK500 with a new firmware and also some information about broken programmers, e.g. https://www.avrfreaks.net/index.p......
Tuesday, 8 May 2007 - 16:46
AVRdude for 16Bit environment (MS-)DOS
Hello AVR-freaks, for programming several ATmega128 controllers I want to use an old MS-DOS computer. On my Win'98-PC I am using AVRdude to setup and program the devices with the...
Monday, 6 November 2006 - 09:10

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