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Can't update firmware to my JTAGICE MkII STK600 programmer
hi, I am new to AVR32. I am using AVR32 Studio not AVR Studio 5.0, because WINDOWS Vista a pain on my computer. WINDOWS Vista fails ITSELF to do SP1/SP2 update, which is...
Sunday, 5 February 2012 - 04:36
basic question on the fuse bit for external crystal
hi, I've always used 16Mhz external crystal for my ATMEGA8. Now I have a project that I want to try out using only 4Mhz, again, as external crystal. Looks there are three choices...
Sunday, 22 January 2012 - 23:49
Op-amp replacement/substitute for NE592N8G?
Hi, I found a project on the net that uses the NE592N8G (datasheet at http://search.digikey.com/us/en/... ) op-amp. DigiKey does not sell by the piece. Posting this message to...
Saturday, 21 January 2012 - 16:51
Beginner with AT32UCL064. Just wanted a blink led example
hi, Looking to try out the AT32UCL064. 1. Downloaded AVR32 Studio V2.6, which includes the tool chain. (Not able to use AVR Studio 5 yet, because it requires a Dot Net version...
Monday, 2 January 2012 - 19:11
Why substituting electrolytic caps with tantalum caps is bad
Hi, I have project that I found the hard way that when substituting the electrolytic caps (10uF 16V) at the point of Vin with a 10uF 16V tantalum capacitor, things don't work...
Tuesday, 22 November 2011 - 06:32
Setting the lock bits to protect a bootloader from overwrit
Hi, Finally, I've found a good AVR109 implementation bootloader at http://gandalf.arubi.uni-kl.de/a.... I downloaded the 0.85 version. Read the readme.txt file. The only one step...
Sunday, 20 November 2011 - 06:32
A different question on the CP2103 USB-to-Serial IC
Hello all, I am bit confused about Vio and VDD from figure 6 of the CP2103 (https://www.silabs.com/Support%2...) datasheet. I am wiring up my project exactly as shown in Figure 6....
Friday, 28 October 2011 - 04:10
Question on the ground area under an IC
Hi, The CP2103 (https://www.silabs.com/Support%2...), which is a USB-to-serial IC, has on its bottom a conductive area that is supposed to connect to GROUND. I suppose that if I...
Sunday, 16 October 2011 - 05:59
Why power still linger on...
Hi, Attached is the schematic of my wiring up the MAX7219 LED driver, which is controlled via pins 1, 12, and 13. I would to turn off the IC via the jumper (JP1) connected to the...
Sunday, 11 September 2011 - 02:55
PTC resettable fuse questions
Hi, I have been searching and searching for a resettable fuse that has an Ihold current to be around 250mA with an Itrip current of 300mA. While it's easy to find one with Itrip...
Saturday, 3 September 2011 - 02:30
Decoupling caps
Hi, I am familiar with decoupling caps. If you look at the schematic at http://www.sparkfun.com/datashee... , you will see that the decoupling caps are all in one place rather...
Tuesday, 30 August 2011 - 22:47
Question:Another adjustable voltage regulator IC, the TC1174
Hi, I am looking to use the TC1174 and have question, mostly for my understanding. Its datasheet is at http://ww1.microchip.com/downloa... . I am ordering some and can't wait...
Saturday, 27 August 2011 - 06:13

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