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Discussion Title Created date
Butterfly display died.
The LCD display on one of my Butterflys died under mysterious circumstances. It has been sitting on a window sill for 1 year and 10 months. The LCD faces toward the window....
Wednesday, 15 October 2008 - 22:10
Virus
Every time I download a page from AVR Freaks, my anti-virus program show this:
Thursday, 12 June 2008 - 14:11
DB101 UART
Does anyone understand the UART connections on the DB101 board? There are 4 connections besides ground. RXH, TXH, RXL and TXL. So which ones do I use? Atmel's doc8073.pdf "...
Sunday, 18 May 2008 - 03:20
Datasheet nonsense?
In all the datasheets I've looked at there is a nonsensical sentence added to an already tricky paragraph. It concerns the ADC interrupt pending flag. That would be ADIF in the...
Thursday, 24 April 2008 - 13:55
Preliminary datasheet
Has anyone seen an Atmel datasheet that was not marked preliminary?
Thursday, 24 April 2008 - 13:16
No mega649p
It looks like there will never be an Atmega649p. I'm probably the only one who wanted to use it, so that could explain why Atmel dropped it. They used to have it listed on their...
Tuesday, 22 April 2008 - 01:38
RC osc. freq. vs. OSCCAL
I figured out why my scheme for calibrating the RC oscillator on an Atmega 329 was sometimes failing. I had made the assumption that increasing OSCCAL would increase the...
Saturday, 23 February 2008 - 16:21
Strange warning message
I get this on error output when compiling with the latest gcc, version 4.2.2. D:\WINDOWS\TEMP/ccA4jNXp.s: Assembler messages: D:\WINDOWS\TEMP/ccA4jNXp.s:35: Warning: expression...
Monday, 18 February 2008 - 15:30
ISP erases EEPROM
When I use ISP to program a new bootloader in my megaxx9 chips, the eeprom gets erased. Is that normal, or am I doing something wrong? I use ButtLoad in a Butterfly as the ISP...
Wednesday, 13 February 2008 - 22:25
Bad terminology in datasheet?
I think Atmel uses some misleading terminology in their datasheets. At least in the ones I have for the Atmegaxx9 chips. I don't mean to be nit picking here. I think the use of...
Wednesday, 30 January 2008 - 16:10
Why is "ADC" pre-defined?
Is it just to confuse me when I try to define ADC in my own code or is there a more sinister motive? :) I have LCD and USART types defined as classes because it seems like a good...
Saturday, 17 November 2007 - 19:06
Atmega169 / 329 / 649 datasheet improvement?
The data sheets have a paragraph concerning how to disable the LCD. I quote, "When the LCD is disabled, port function is activated again. Therefore, the user must check that the...
Thursday, 8 November 2007 - 14:42

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