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Trying to make sense of SAMD I2C datasheets
They have two formulas (see SAMD10 datasheet, for example): fSCL = 1 / tLOW + tHIGH + tRISE fSCL = fGCLK / (2 * (5 + BAUD) + fGCLK * tRISE) Am I the only one who thinks that the...
Friday, 3 July 2020 - 18:46
Pin mapping of all USART0 can optionally be moved to high nibble of port
How? On ATxmega64A3U, for example. Not that I need to, just curious.
Thursday, 14 November 2019 - 22:21
avr-gcc bug?
The toolchain is "AVR 8-bit Toolchain v3.62 – Windows", which I just got from: https://www.microchip.com/mymicr...   #include <stdio.h> volatile uint8_t vv; static...
Tuesday, 27 August 2019 - 14:01
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
ADC_INTFLAG_RESRDY
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

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