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More self-programming strangeness - attiny814
Been scouring documents and post and so far have some code running, which I will post at the end. I am having a strange problem though. Based on the docs, the flash pages are 256...
Wednesday, 21 July 2021 - 06:48
XMega32E5, I2C, and a hard-to-find 16x16 LED driver.
Hey all. I am shamefully ignorant when it comes to I2C and I am finally being forced to use it. I will need to drive 4 of these LED driver chips for a 32x32 led display (just...
Thursday, 17 June 2021 - 19:09
XMega32E5, UART in SPI mode, and EDMA
Hello all. So I am setting up a few tests to read a block of SPI-attached flash mem (a W25Q16JV chip). First test was just to be able to read from it. No prob. Second test...
Monday, 12 October 2020 - 19:42
ATTiny412 ADC Issue
Hey all. More ATTiny412 issues. This time I am trying to get the ADC up an running. Following the Getting Started for a single conversion has not helped.  http://ww1....
Saturday, 6 July 2019 - 03:05
Write/Erase issue with SPI Flash IC.
UPDATES: First, to make sure it's seen, I put this info at the top of the post instead of a comment buried down the page. So, it looks like I had a bad chip. Was it bad because I...
Saturday, 29 June 2019 - 00:44
ATTiny212/412 USART
I am trying to figure out if I am just reading this wrong, missing something somewhere else in the documentation, or if this is just documented wrong. Specifically, I am looking...
Wednesday, 5 June 2019 - 18:27
xmega128a4u PDI pinout
My apologies if this is a repeat question. I hope it's an easy one. I have a few xmega128a4u chips. I mistakenly thought they came from the factory with the DFU bootloader...
Saturday, 22 August 2015 - 21:04
Xmega USB ping-pong + multipacket
Hey all. I have my one set of bulk endpoints (in and out) set up for multipacket and ping-pong. Since my design is for OUT only, I just leave the IN disabled. Multipacket by...
Thursday, 16 July 2015 - 01:13
ASF Wizard does not appear at all
Hey all. Hope this is an easy one. The ASF Wizard menu item does not appear in my Projects folder at all. And at this point I am not sure how to get it there. Also, I have no dev...
Wednesday, 24 June 2015 - 00:58
XMegaXXXA4U (or other USB enabled XMegas) programming in Ateml Studio 6
I was looking into the XMegaXXXA4U class of MCUs and this dev board https://www.mattairtech.com/inde... It made me think: can Atmel Studio 6.x be used to program this...
Thursday, 11 June 2015 - 17:36
AVRISP mkII
Not sure if this has been addressed elsewhere but I cannot find it yet. I installed all of the drivers needed to connect to an AVRISP mkII clone. This device works just fine under...
Sunday, 15 April 2012 - 06:28
AVR GCC Assembly Optimization
I have a few questions on how to optimize my code. Right now I am looking for a less cycle-hungry way of right-shifting a 16bit value by a number of places (1-7) and this is what...
Saturday, 29 January 2011 - 06:44

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