Answer by Peter Gibson for SAMD21 - How do I write to NVM fuses?
Not an answer to the above, but perhaps relevant to others who end up here. I was trying to flash a SAMD21 using the STLink V2, but ran into issues with the boot protection (possibly due to a bug in...
View ArticleAnswer by chamod for SAMD21 - How do I write to NVM fuses?
I found out that in order to write to the NVM, you have to talk to it though the NVMC. (NVM controller). The steps to changing the BOOTPROT fuses are as follows. (I extracted these steps from the...
View ArticleSAMD21 - How do I write to NVM fuses?
I'm trying to program the ATSAMD21G18 on Adafruit Feather M0 and over SWD Using a Segger J-Link EDU Nano. When I try to download the program to the chip through Atmel Studio it fails verification at...
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