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Using 20MHz ATmega as a pulse generator...
I'm using an ATmega168xx @ 20MHz for an embedded ap, and was wondering if it would be suitable to use as a pulse generator? I have spare pins - my basic requirements are to...
Wednesday, 22 July 2009 - 08:39
Meauring 150mV using comparator on ATmega128...
Hi - I need to toggle the analogue comparator at between 100mV - 200mV and to fire the compare interrupt (using WinAVR/GCC 4.14). Is there a simple was of getting a reference...
Friday, 25 April 2008 - 08:06
Atmel response times to logged calls...
Hi, In people's experience, how long do Atmel take to respond to a logged call once you have the call log number? i.e. when is it reasonable to start whinging and then, who to?...
Monday, 18 February 2008 - 10:13
FIXED! AVRstudio 4.13 SP2 crash when invoking JTAGII...
Hi, I am using the above config on a fully patched XP Pro system with IE7 & Office 2003. Programming target is an Olimex AVR128-MT board. With 4.13 SP1, I could use AVR JTAGII...
Thursday, 14 February 2008 - 06:49
INT4 on ATmega128...
Hi, My learning curve continues ;-) I'm using a 32768 Hz square wave input on INT4 for an ATmega128 running at 16MHz. The mark:space ration is about 1:4 and the leading/rising...
Friday, 25 January 2008 - 10:25
Use of const & PROGMEM...
HI - I'm using the following... static void output_two_digits( uint8_t num ) { const char* const pDigit PROGMEM = "0123456789"; lcd_send_char( pgm_read_byte(...
Sunday, 20 January 2008 - 14:52
ATmega128 TWI with internal pullups...
Hi, Has anyone had sucess with using the internal PORTD pullups instead of external resistors for TWI on an ATmega128? I have a single external device, close at hand (traces are...
Wednesday, 2 January 2008 - 21:11
Olimex ATMEGA-128-MT board and timers...
Hi - I'm using the above development board to play with timers a bit (I'm a-lernin) - the Deveopment environment is AVR STudio 4.13 SP1 build 557 & latest released WinAVR (...
Sunday, 16 December 2007 - 18:46
AVR assembler and clearing bits...
Hi, Please excuse this simple question - I'm a bit new to AVR assembler, but have many many years of other assemblers and languages. In the ATmega48 manual (2545-AVR-09/07) on...
Tuesday, 20 November 2007 - 07:02
Driving power FET from LV AVRs...
Hi, I'm looking for ways to drive an IRF730B or similar from a low-voltage AVR - it must be very simply and cheap (its to drive a boost converter). I was going to drive the gate...
Thursday, 12 May 2005 - 05:33
Talking to a Dallas Semi DS1393...
Hi, I'm a bit new to AVRs (but getting there). I'm using gcc-avr and want to talk to a DS1393 RTC. This device has SCLK and an I/O pin (and a CE, but I'll always have that enabled...
Saturday, 27 November 2004 - 12:36
Reformed ex-PIC user needs help moving to AVR...
Hi, I've given up with PICs and seen the light... I've installed AVR STudio 4.08 and WinAVR which seems to be ok. I'm a bit concered by reported bugs in the current gcc-avr...
Tuesday, 16 November 2004 - 13:10

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