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SAM D21 Flash as EEPROM without ASF
Hello,   I am using SAMD21E16B for a project and C-programming "bare bone". This device should have a simulated EEPROM-region in flash. I have to strore some adjustment...
Friday, 14 August 2020 - 06:02
SAMD21 - surely error in data sheet - EIC
Hi,   any new "bare metal" programmer should know... as I dived in the EIC system, I found a conflicting statement in the data sheet: EIC-CONFIG-Reg (Page 372): There is only...
Thursday, 23 July 2020 - 11:54
MPLAB X IDE with Harmony v3 framework - what is our experience with it
Hi,   I hope this is the right forum for my question. I've been using Atmel Studio for years and liked it almost. Just the software framework I didn't like, because it...
Thursday, 23 July 2020 - 07:33
SAMD21 need small inline assembly code for fastest processing
Hi,   I have to synchronize a signal output on PORT_PA00 to be just after the falling edge of a 16MHz clock at PORT_PA18. As my CPU-clock is 48MHz, it should be theoretically...
Wednesday, 15 July 2020 - 12:20
SAMD21 PinMux GCLK_IO - read pin value not possible?
Hello,   I have a CLK_GENx output its frequency 4MHz on PORT_PA17 by setting the portmultiplexer to function H "GCLK_IO[3]". Frequency output is fine! The system- / CPU-...
Monday, 13 July 2020 - 11:44
SAMD21 Problem with SPI & DMA (without ASF)
Hello,   I wat to generate a continous 4MBit/s-Bitstream from a frame buffer in RAM. I have to write the frame buffer bytes (ring-like) to the SPI.   When using master-...
Friday, 26 June 2020 - 10:32
Help assistance from Microchip - what possibilities, how to get?
Hello,   my job is to develop hard- and software for embedded applications. Working now with SAM-µCs I have encountered some problems, that neither datasheet nor internet...
Friday, 19 June 2020 - 08:48
interrupt handler in Atmel studio 7: SAMD without ASF
Hello,   I am programming in AS7 for SAMD-device without ASF. I have already #include "sam.h" #include "component\... .h"   For other devices the #include <avr\...
Friday, 19 June 2020 - 07:58
SAMD21E: Question about analog Comparators
Hi,   I want to use the two analog comparators and have read the manual extensively about AC. But what I can't understand is about the input mux setting and COMPCTRLx. As...
Thursday, 7 May 2020 - 05:35
metoo - Getting Error: PDI enable failed
Hello, I am new here because my XMega32A4U (with USB!) don't allow programming / debugging etc. I have read all those discussions regarding debugger problems, but none of them...
Tuesday, 4 June 2019 - 08:26