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Disabling External Interrupts from within corresponding ISR Im trying to disable an external interrupt from it's corresponding service routine. The problem Im having is that Im confused as to why I can not disable the routine from... |
Friday, 27 June 2008 - 16:47 |
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FIFO problems After six monthes my first major Atmel project is going fairly well. :P The problem is that I don't think I completely understand how the FIFO works. I assumed that once the... |
Thursday, 19 June 2008 - 17:11 |
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The memristor http://www.spectrum.ieee.org/may08/6207 Dam it. Why must they change the textbooks before Im out of college... |
Monday, 5 May 2008 - 14:21 |
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A simpler expression? ((PINA & (1<<3))>0) I've read through the tutorial in the forum about bitwise operations but I'm still a little confused. I know what the above code does. It gets the... |
Thursday, 20 March 2008 - 13:42 |
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What to do with PE0 and PE1 programing pins? Do i treat them like any other unconnected pin or is there something special I do with them? Im assuming that since the ISP mode is only enabled when the chip is in a reset state... |
Monday, 21 January 2008 - 20:12 |
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The PEN pin I want to make sure I understand the PEN pin's function before I end up pulling it up with a resistor. The PEN pin is another way to force the Atmega chip into ISP mode. If CLK... |
Tuesday, 15 January 2008 - 16:31 |
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Octal Buffers and an ADC Im looking at the AD9240 ADC. The datasheet is located at: www.analog.com/en/prod/0,,AD9240... It's a serial device so that there are 14 pins representing a single bit.... |
Monday, 7 January 2008 - 21:35 |
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[DIS] Building a temperature sensor Would anyone be interested in a lab I'm writing involving how to make a thermometer? It's not really related to AVRs at all but it could possibly be useful to someone. |
Sunday, 12 August 2007 - 19:51 |
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Clearing Interrupts #include #include ISR(TIMER1_COMPA_vect) {PORTD ^=(1<<1); }; void main(void) { DDRD |= (1<<1); //Make Pin 1 on PortD an output TCCR1B |= (... |
Monday, 2 July 2007 - 18:54 |
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New to the AVR Microcontrollers I have just discovered that the Butterfly and Dragon are in stock in Digikey. Unfortunately, I don't exactly know what other parts/wires are needed to get up and running. I know... |
Tuesday, 26 December 2006 - 06:16 |