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SAME70 SPI CSAAT (Chip Select Active After Transfer) doesn't.
> Are you using the standard SPI function ? Is this hardware SPI or software?   I'm using the hardware chip select feature.  But I hope I understand your question...
Wednesday, 20 April 2022 - 03:39
EIC module consumes a lot of current
I know this is old, but in my efforts to reduce power on the SAME54, I discovered that you can have "phantom" floating pins.  In particular, if you've set the internal MUX (...
Wednesday, 2 March 2022 - 20:48
Looking for documentation for EXT1 and EXT2 on the SAM E70 Xplained Ultra
Agreed:   "I could reverse engineer it by tracing through the schematic..."   ... but the tricky part is finding all the other places that a given external pin connects...
Sunday, 19 December 2021 - 14:54
Exporting a START based project for someone else...
I looked at the directory and file properties as carefully as I knew how -- nothing odd showed up.  I used the Windows "right-click" [compress to ZIP file] to compress it....
Friday, 19 November 2021 - 16:27
Exporting a START based project for someone else...
I think I see what's causing the trouble, but I don't understand why, nor what the fix is.   AS7 needs to see a directory named  .atmelstart, containing: .atmelstart/...
Wednesday, 17 November 2021 - 13:28
searching for SAMD21 XPRO FATFS ASF4 project / example
Touche:  I've started to go down the path of using the code from Arduino-land.    But it would seem reasonable that *someone* has (for example) connected an IO1...
Friday, 12 November 2021 - 12:51
Should I use Arduino or ASF4...
David: other libraries will let you use SPI1, SPI2, SPI3, ...  i.e. different SERCOM pins. Are there well-known libraries for that, or do I need to write my own?  (I'm...
Friday, 5 November 2021 - 23:48
Should I use Arduino or ASF4...
@david.prentice (and anyone else):   Here's a concrete question that's probably easy to answer by anyone who knows the Arduino ecosystem:   The Arduino SD library (https...
Friday, 5 November 2021 - 20:51
Should I use Arduino or ASF4...
@david.prentice: Pardon!  I wasn't trying to be cagey.  Here's the link:      https://www.buydisplay.com/low-c...   As  mentioned, the vendor...
Friday, 5 November 2021 - 20:36
Configuring SAMD21 for 48MHz
Okay - figured it all out.  What happened was I was making one change at a time, which masked the fact that there were two problems.   The winning recipe is to use the...
Thursday, 30 September 2021 - 01:29
Configuring SAMD21 for 48MHz
Small update:   I reconfigured the system to use the 32KHz High Accuracy Internal Oscillator (OSC32K) and the system comes up normally.    The SAMD21 Xplained Pro...
Thursday, 30 September 2021 - 01:10
Build AS7 project from the command line?
Yez jes need to search harder:   https://microchipsupport.force.c...  
Tuesday, 14 September 2021 - 00:41

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