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AVR Dragon - External Power Supply
Hi dude, Can anyone tell me about the function of Ext_Power pins out of AVR Dragon? And what's the difference between VTG of JTAG and Vcc of Ext_Power pins out? Please refer to...
Wed. Apr 28, 2010 - 06:42 AM
Question about AVR306 application notes
Hi dude, I'm trying to study about AVR305 application note and found that it was difficult to understand some lines of code (USART2.c). Can anyone explain the following lines of...
Sun. Apr 4, 2010 - 03:34 PM
Need help on conversion of supply voltage of butterfly
Hi dude, For 5V system application, I've to convert supply voltage of butterfly from 3V to 5V. I study the schematic of it, I've found the component which is limited to 3V is "...
Thu. Mar 25, 2010 - 11:28 AM
AVR Memory Usage
Hi Dude, I'm looking for the program to show the memory usage of AVR MCU from hex file of IAR compiler. In AVR studio 4, avr-gcc show the memory of usage after build succeeded...
Thu. Mar 4, 2010 - 09:51 AM
AVR Butterfly - Serial Communication error by AVRProg
Hello dude, I have an AVR butterfly kit programmed with bootloader from ATMEL http://www.atmel.com/dyn/resources/prod_documents/butterfly_boot_rev04.zip I have no problem with...
Sun. Feb 28, 2010 - 04:10 PM
What is the maximum frequency of timer oscillator of Mega88
Hi friends, I'm trying to use two clock sources of mega88, internal rc oscillator for system clock and external crystal as timer. Usually external crystal is a watch crystal 32....
Thu. Oct 22, 2009 - 08:42 AM
Some questions on JTAGICE MKII
Hi, I'm planning to buy JTAGICE MK II for my project. Before I buy it, I've searched some info about it on the net. I've read the article "Still Swimming with the STK500 onto the...
Thu. Sep 24, 2009 - 02:33 AM
problem with timer1 (10bitmode) of tiny861
Hi, I've a project with tiny861 and used timer0 and timer1. I configured timer1 as 10 bit resolution as follow: (Simple testing code as blinking led program) void main (...
Fri. Dec 26, 2008 - 02:53 AM
fboot problem with ATTiny
Hi friends, I'm trying to use danni's "fboot" bootloader program on ATTiny 861 device. I use PB1 pin as communication via rs232 according to "1WIRE.pdf" in fboot19 folder...
Wed. Dec 24, 2008 - 09:49 AM
reset via rs232
Hi friends, I'm trying to use bootloader in order to save pin count. During flashing via rs232, I have to reset MCU all time, so that I'm looking for a program that can reset...
Tue. Dec 23, 2008 - 11:38 AM
How does AVR fuse setting work for system clock
Hi friends, Anyone know about fuse setting of AVR? How does it work? I'd like to know about behaviour of fuse setting for system clock. For example, ATmega 8515 is come...
Wed. Jul 16, 2008 - 10:17 AM
printf in IAR
Hi, Anyone has simple example of printf written by IAR something like "Hello World!". I wrote it myself but it didn't work. Hardware connection is ok. #include #include #...
Sun. Jun 1, 2008 - 04:03 AM

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