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Discussion Title Created date
Standalone atprogram (again)
I have been using a standalone atprogram for a while. It's from a 6.2 Studio and the USB drivers:   from http://ww1.microchip.com/downloa...   from https://www.microchip...
Wednesday, 17 April 2019 - 12:31
CLK_CPU and CLK_PER on 0-series
Are they always the same or not? It looks that they are. But I don't see this clearly spelled in the (ATmega4809) datasheet. Interestingly, one of the older ATtiny417/814/816/817...
Saturday, 6 April 2019 - 18:05
Serial Downloading
AVR datasheets include Serial Downloading section that define a way to reprogram flash/EEPROM/fuses. Is there something similar for SAMD's?
Friday, 8 December 2017 - 18:52
Is it possible to modify a flash location from the debugger?
Well, the title says it all. Captcha! Argh!
Thursday, 13 July 2017 - 01:05
Not happy with Atmel/Microchip support
I need to vent. Absolutely not happy with Atmel/Microchip support. There is unexplained hard fault (https://community.atmel.com/foru...). - I provided a short complete compilable...
Wednesday, 29 March 2017 - 13:41
Toolchain release notes
Is there release notes somewhere that would tell me what changed between different versions of the GCC toolchain? In particular, I'm looking for changes between the following two...
Sunday, 5 March 2017 - 02:05
atprogram without -chiperase
Has anyone tried atprogram without chiperase? Supposedly it should erase the affected pages automatically ("SAM devices will always do this"), but it looks that it does not....
Thursday, 2 February 2017 - 18:06
Reading ADC->INTFLAG.reg seems to clear the RESRDY bit. On samd20 and samd21. What am I missing?
Saturday, 19 November 2016 - 04:14
SAMD flash write
OK, I understand that it has to be erased in (256 byte) rows. But it looks that it has to be written in 64-byte chunks? Really? Am I missing something? Looking at application...
Wednesday, 2 November 2016 - 16:41
Internal pullup on RX
So, on megas and xmegas one can enable internal pullup on USART RX lines. I just tried the same on SAMD21 and that does not seem to work. I.e., it looks that as soon as I add...
Monday, 20 June 2016 - 17:53
SAMD21 does not always start on power-up
An application often does not start on powerup. Starts just fine on external reset. Default fuses. Minimal initialization. No fancy clocking, just internal OSC8M. Just flashes an...
Friday, 20 May 2016 - 03:06
Difference between Device Variant A and Device Variant A
This is in the Errata for the SAMD21. Anybody knows which one is which and what is the difference between them? And what is the difference between Revision B and Revision B and...
Friday, 20 May 2016 - 01:50