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Full Swing Crystal issue
Thanks all comments , I will consider all suggestions.   Who-me wrote:I cannot decode those brief summaries, can you explain more how those captures are done, and what...
Tuesday, 27 November 2018 - 05:38
Full Swing Crystal issue
Brian Fairchild wrote:At the risk of repeating myself...   Brian Fairchild wrote: Show us a photo of your setup.   Sorry Brian I have limited authority to share the PCB...
Monday, 26 November 2018 - 14:54
Full Swing Crystal issue
ka7ehk wrote:The symptoms you describe are exactly those of an MCU clock running at a different than expected frequency. So, it seems common sense to check that the oscillator is...
Monday, 26 November 2018 - 09:51
Full Swing Crystal issue
avrcandies wrote:The full swing osc was removed a few years ago (generating a lot of complaints & mayhem)... Well the latest official datasheet says it is legit to use full-...
Saturday, 24 November 2018 - 07:23
Full Swing Crystal issue
ka7ehk wrote:5V and 20MHz is right on the edge of the safe operating area, so you should be OK. I recheck the datasheet, "29.3 Speed Grades" says for 20MHz safe range is 4.5V - 5V...
Friday, 23 November 2018 - 21:28
Rotary Encoder (ATmega 328)
theusch wrote:At least my toolchain will not make optimal code out of C conditional for the simple case shown where it is desired to watch each microsecond if trying to go fast. I...
Saturday, 3 November 2018 - 05:30
Rotary Encoder (ATmega 328)
Scroungre wrote:Processing all four edges of a quadrature encoder is a near-free way to quadruple your encoder's resolution.  Direction is just a matter of logic.  ...
Friday, 2 November 2018 - 19:50
Rotary Encoder (ATmega 328)
skanpt wrote:The interruption is being called, when i rotate the encoder it starts to send more outputs   your ISR code seems wrong. you process all rising/falling edges of...
Thursday, 1 November 2018 - 01:23
atprogram command for ATtiny816 fuse bits
Thank you kabasan   your answer solves my problem. this works fine for my project : atprogram -t atmelice -i UPDI -d ATtiny816 -cl 125KHz write -fs --values...
Thursday, 26 April 2018 - 06:55
Atmega328 hang/freeze , very noise!
MLEGNARI wrote:I am doing a spark with avr (atmega328) just to study how to improve the noises . The first step is to examine datasheets and implement what the producer of ICs...
Sunday, 18 February 2018 - 17:42
Proteus anyone/everyone?
Proteus had important role in my progress in MCU and digital design I was impressed by COMPIM : connecting real hardware to PC com port and communicate with virtual MCU model ....
Thursday, 15 February 2018 - 02:04
ATmega328P decoupling Vcc using Ferrite Bead
Thank you very much for complete very useful reply . My circuit is only Rx Tx data I think 100 mv ripple no harms, as you mentioned its important in ADC, But I think I should do...
Wednesday, 14 February 2018 - 18:38

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