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Atmel Studio 7 - Problem creating a new project
I have been using Studio 7 for a while now and have created about 20 projects with no problems. Today I ran the new project wizard and entered the name and path and ticked the "...
Wednesday, 28 September 2016 - 14:40
Please help with Counter Overflow Interrupt
I have written code which is not doing what I expect it to do. I have found a solution, but it doesn't make sense to me, so I'd appreciate it if someone could explain what is...
Monday, 9 November 2015 - 13:49
LDO or no LDO
I have a design that runs off a 3.6V lithium (non-rechargeable) battery. I'm using a 3V LDO supplying a mega6490P which is rated from 1.8V to 5.5V and all the other chips have the...
Thursday, 22 January 2015 - 09:57
Mega6490P Words per page in Flash
Hi guys I'm writing a bootloader and I need to know the number of words per page in the flash. In the data sheet (ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P) it specifies for...
Wednesday, 25 June 2014 - 13:17
Counter Overflow and Compare interrupts not behaving
I'm experimenting with TCNT2 overflow and compare interrupts. When they are both set to execute on the same count(zero) strange things are happening. TCNT2 clock source is a 32kHz...
Wednesday, 4 June 2014 - 11:30
Better way to do simple routine
Hi guys I was just wondering if there is a better way to do this routine: [Input] n = 0 to 7 [Output] 1 byte with nth bit set Example: input = 3, output = 00001000 I am...
Wednesday, 28 May 2014 - 10:05
Delay required on start-up for timer/counter
I have been experimenting with a timer/counter overflow interrupt to wake up the processor. The program goes into power save mode, and every 2 seconds TCNT2 overflows and wakes up...
Wednesday, 21 May 2014 - 09:21
Calibrating RC Oscillator - questions
You guys always come up with good ideas, so hopefully you can make some suggestions. I have an application that has a 32Khz crystal and I need to use the UART once a day. I will...
Thursday, 24 April 2014 - 10:30
Installing 4.19 and STK500 problem
I recently installed version AVR Studio 4.19, and got the following message:Quote:An STK500 with firmware version 2.0A has been detected. The firmware version corresponding to...
Monday, 21 April 2014 - 07:44
Interpreting Spec sheet - Mega6490P
Hi All I am trying to work out the current consumption in Power Save mode for the Mega6490P driving an LCD. Vcc will be 3V and the 32kHz clock will be running. In the header they...
Thursday, 17 April 2014 - 12:44
Selecting a 32.768Khz crystal
In the ATMega6490P data sheet they give a table with maximum ESR recommendation for the watch crystal. They give load capacitance and max ESR: 6.5pF -> 75k ohm 9.0pF -> 65k ohm...
Tuesday, 25 March 2014 - 13:29
Mega649P - XTAL & Tosc are same pins
I'm designing a new product, and require an 8 bit processor that can drive an LCD glass, and has very low power consumption (for battery use). I will also need 1 or 2 serial ports...
Thursday, 5 December 2013 - 13:04

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