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Jtagice mk2 will no longer work with Studio 4
Will a jtagice mk2 with firmware upgraded by Studio 6 work with Studio 4? I can't get it to connect. My worst fears have come to pass. Bootloaders I install with Studio 6...
Thursday, 13 September 2012 - 18:47
Studio 6 problem
Studio 6 does something bizarre that I've never seen before. Not with Studio 4 and not with Visual Studio. Twice I've made a new project with Studio 6 and then added existing...
Friday, 7 September 2012 - 05:16
I want a newer Winavr
I've used Winavr version 20100110 for years. Now I want to program an Xmega128a4u and the iox....h file doesn't exist in that Winavr. Any suggestions for a Winavr that works?...
Tuesday, 28 August 2012 - 20:16
Latest silicon for the Xmega32a4u?
I have the 32a4u in the QFN package. The silicon revision is 0x04 in the MCU control registers. I guess that's the same as revision E. Is this the latest? Is the same silicon...
Monday, 28 May 2012 - 22:49
Bootloader always erases EEPROM
I'm using the bootloader that has been kicking around here for years. It uses the AVR911 protocol. I called my cleaned up version the world's easiest, until bandtank made it...
Monday, 19 March 2012 - 22:31
DAC calibration on 32A4U
It seems the factory failed to set the calibration values for the second DAC channel in the Production Signature. There are good calibration values in there for channel 0, but...
Saturday, 18 February 2012 - 11:59
Bandgap voltage?
Why does the Xmega give us a way to directly measure the bandgap voltage? If we could measure the internal 1.00 volt reference directly that could be helpful, but I see no use for...
Saturday, 18 February 2012 - 11:23
Jitter not fixed in the Xmega32a4u ADC
I ran a lot of tests with an Xmega32a4 and an Xmega32a4u which are on identical boards. The jitter has not been fixed. In almost all cases averaging 16 conversions gave a stable...
Saturday, 21 January 2012 - 14:04
JTAGICE mkII firmware upgrade
I'm trying out Studio 5. It requires me to up upgrade the firmware in my JTAGICE mkII. If I do this will I still be able to use the JTAGICE with Studio 4.18? I think so but I...
Wednesday, 28 December 2011 - 19:20
World's easiest bootloader?
I downloaded the bootloader Damien posted here a couple of years ago. Like previous bootloaders, the configuration was unnecessarily complex and confusing. This bootloader works...
Wednesday, 30 November 2011 - 02:22
What is PARTCODE?
What is PARTCODE? Does it have any meaning any more? All the Xmega bootloaders I've seen have PARTCODE = 0xFA as part of the configuration. I found 0xFA works for the Xmega32a4...
Monday, 28 November 2011 - 01:27
Avr-Osp II
Does anyone use the Avr-Osp II for loading programs via the bootloader? I find it handy, and it works. I do see what is apparently a bug with big hex files. It fails the...
Sunday, 27 November 2011 - 21:43

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