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Precision timing of LED matrix
I control a LED matrix of 7x16 LEDs. I have an output disable pin of a shiftregister (OE=output enable), on this pin I feed a software PWM signal (via timer1 and ocr1a), so I can...
Tuesday, 31 January 2006 - 13:04
rcalls when USART interrupts
When the USART interrupts I want to show a message (Receiving....) on a display immidiatly, but this needs rcalls and more code executed. But is this a problem with the SRAM stack...
Friday, 27 January 2006 - 20:32
MOSFETS stay hi when reset pulled low
When I dump a new program in the AVR, the MOSFETS at the pins stay hi, because the pins go in hi-Z. What I see is the datadump on the LEDs. (because I use ISP pins/MOSFET gates)...
Friday, 27 January 2006 - 19:38
Why is a page erase necassary?
Hello When I do a page write (SPM) without a page erase it works the same. So why still need to do a page erase as the datasheet tells?
Wednesday, 11 January 2006 - 16:49
ATmega8 pagesize?
Hello How big is the pagesize of an ATmega8? For example, the pagesize of an ATtiny2313 is 16 words. Can't find for the ATmega8. Looks like it's not 16 words because I test...
Monday, 9 January 2006 - 18:18