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SAM4E Xplaianed board stuck in bootloader
Hi, I have a SAM4E Xplaianed board stuck in bootloader, both power and status LEDs blink at the same time. There seems to be a simple task to fix this using atfw command in prompt...
Wednesday, 12 September 2018 - 11:11
Migrate from Mega32C1 to M1
Hi,   ATMega32C1 seems to be unavailable for purchase in any larger quantities. ATMega32M1 seems to be available in larger quantities and a lot cheaper.   Does anyone...
Wednesday, 14 March 2018 - 10:00
Reading ADC with external Vref Mega32C1
Hi,   I have a Mega32C1 board where I read from the ADC. Having the internal Vref on without connecting the external Vref (AREFEN = 0, REFS1 = 1, REFS0 = 1, datasheet page...
Tuesday, 1 November 2016 - 15:47
JTAG daisy chain over several boards
Hi,   I want to daisy chain a JTAG signal over several boards. I have a problem thou, after the last board, the TDO has to be returned as TDI. Earlier I have done this using...
Tuesday, 11 October 2016 - 07:17
Read fuse bits in runtime
Hi,   I want my firmware to check that the correct fuse bits has been set. I am trying to do this like this: #define LOWFUSEBITS (*((volatile char *) 0x0000)) #define...
Tuesday, 5 April 2016 - 08:51
In system bootloader over CAN for ATMega32C1
Hi,   I have downloaded and tested atmels "Slim CAN Bootloader" and it works well together with Flip. But connecting multiple boards with the same bootloader installed screws...
Wednesday, 7 October 2015 - 13:13
Reasons why an AVR would not ISP program
I have a number of units of a custom board with an ATMega32C1. For some reason a number of them will not accept programming. When reading the device signature I am reading only...
Wednesday, 30 September 2015 - 20:36
Problem with JTAG connection on UC3A3256 using JTAG ICE MK3
Hi,   I am trying to JTAG program a new board which has a UC3A3256. I power everything from USB and the USB is connected to the UC3 and I see the DFU bootloader in windows as...
Thursday, 13 August 2015 - 23:11
QTouch ADC, Mega48 and CodeVision AVR
Hi,   I read some old posts in this forum that you cannot run QTouch in CodeVision AVR. Is that data still true, or is there a way to make use of the QTouch ADC in CodeVision...
Monday, 1 December 2014 - 20:01
Compiling with debug information into .elf file.
Hi, When I started working with AVR32:s and compiling I found that my .elf files were around 35 megs of data. I had a look a them and saw that my code was in the files in clear...
Monday, 16 December 2013 - 14:46
UC3A3 ADC hang seldomly
Hi, I have a custom board based on EVK1104 (UC3A3256). I based my code on examples from ASF1.7. Anyone else had problems with the ADC hanging very rarely? I read from the ADC a...
Friday, 6 December 2013 - 07:49
Running debugger AVRStudio 5, why only ASM?
Hi, I want to find out if my software is hanging and why. I figured I could run the debugger over my JTAG ICE 3. It works nice, it downloads and I can execute and I can see that...
Thursday, 14 November 2013 - 11:02

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