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SW equivalent to ERASE pin
mambrus wrote: I was looking for is perhaps if setting gpnvm:0 from within SW is possible. Datasheet refers to it in " Security Bit Feature" using EFFC but I don't...
Tuesday, 29 September 2020 - 09:47
SAMC21 Main clock, peripheral clock and clock domain synchronization
No need to go that far. Something similar to the following example will be adequate in most cases: static unsigned int sync_total_loops; static unsigned int sync_calls; static...
Tuesday, 22 September 2020 - 10:37
SAMC21 Main clock, peripheral clock and clock domain synchronization
Can't say I've noticed any significant delays when syncing across clock domains. If you're concerned, you could tweak the sync loops to track the number of iterations required for...
Tuesday, 22 September 2020 - 08:26
An alternative, if you have space on the desk for a second display, is keyboard/mouse sharing over the network using something like Synergy.   Steve
Tuesday, 22 September 2020 - 08:17
CRITICAL!!! - Atmel Start Loading configuration error
fcampanini wrote: Question 1: how can i link gen0 to osc (or whatever) without accessing atmel start? any suggestion?   You could take a look at this project...
Thursday, 17 September 2020 - 09:11
ADC Conversion Result
It's also going to be a whole lot easier to multiply/divide by 1024 rather than 1023, which might be important if power consumption and/or code size are ...
Thursday, 17 September 2020 - 08:49
SAMD51 and redundant XIP Flash
For /CS muxing, you might be able to use the CCL peripheral in place of external logic. Configure CCL from the boot loader to select the active XIP device. The QSPI peripheral...
Monday, 14 September 2020 - 09:43
SAM D5x/E5x Data Sheet PDF is encrypted, can't annotate
I have rev F (DS60001507F) of the document on my Mac (Mojave 10.14.6) and Preview allows bookmarks and annotations to be made, but it does make a copy of the original in...
Thursday, 10 September 2020 - 07:30
How to use the XDMAC controller to store peripheral data on command
Some of the stuff done in afec_xdmac_configure() is likely to be a one-time thing if you're only using the XDMAC for one purpose, so you could refactor the code to do that in...
Thursday, 3 September 2020 - 08:00
Profiling 100s of structs to be 4 byte aligned.
Sounds like an opportunity to make use of compile-time static_assert()s in conjunction with sizeof() and offsetof().   Steve
Friday, 28 August 2020 - 08:07
Are PORT pullups available when the port is assigned to another function?
fearless_fool wrote: I'm not sure about 2: If the port multiplexer assigns a port pin to another function (e.g. SD/MMC or SERCOM/I2C), is it possible to enable its internal...
Friday, 28 August 2020 - 08:02
Unable to communicate with RAM using SPI
louis_etne wrote: As we can see, the MOSI line is kept high no matter what... Between each transmit, I have a delay of 8.625 us, maybe it's the issue ?   I think you meant...
Thursday, 20 August 2020 - 09:30