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Configuring Pin Change Interrupt from Start
This is my first project using START.  I've found it saves LOTS of time!  No more scrounging through header files to find bit mask spellings, etc.   I also...
Saturday, 9 May 2020 - 14:52
ATtiny1614 -- Interrupts on LUT output changes--is it really there?
The spec for the CCL has an interrupts section.     It also documents an  INTCRL0 register and INTFLAGS for the CCL.  Who hoo!  Just what I need....
Thursday, 30 April 2020 - 14:03
Attiny 1614 Timer D ISR not firing but waveforms look good
I have enabled global interrupts with an sei() command and using the debugger I can see the following lines being executed in the debugger;   TCD0.INTCTRL = 0 <<...
Wednesday, 29 April 2020 - 20:27
Problem compiling project from Atmel Start--works ok on another machine
I get these error messages during the link step on an Atmel Start project on my Windows 10 laptop, but not on my Windows 10 desktop machine:       Severity...
Wednesday, 29 April 2020 - 16:37
Events from I/O--Are they one clock cycle only?
I'm unclear how the port event sources work.   Is the event generated for one cycle only, or is the event source literally the state of the I/O?   For example, I'd...
Sunday, 26 April 2020 - 22:00
ATTiny 1614 EVSYS & CCL
I have an implementation that works ok using spin loops to detect edge transitions, but thought I'd play with using the event system and channel control logic for a different...
Sunday, 26 April 2020 - 15:14
ATtiny 1614--Steer PWM signal to one of four outputs?
I'm getting ready to submit gerber for a new pcb design and decided to do a little more investigation on the software side to make sure the hardware can do what I want. ...
Sunday, 12 April 2020 - 17:24
UPDI--Configuring with fuse setting??
I'm using an Attiny1614 and want to share UPDI with an input.   The spec talks about the UPDI programming mode being based on a fuse setting.  But, how does one set a...
Tuesday, 7 April 2020 - 14:52
Pin header/socket placement for board to board connectors--how close to card edge to place?
I had an issue several years back with long, abutting pcbs screw mounted on acrylic.    I used SMT "LED" connectors , several of which failed mechanically...
Friday, 3 April 2020 - 21:57
Optimal width for long signal traces?
I have an application that will have three, 12 inch pcbs connected via pin header connectors.     Three signals will be passed from one pcb to the other two....
Tuesday, 31 March 2020 - 23:16
Another ATtiny1614 Debugger Anomaly?
I previously posted this: https://www.avrfreaks.net/forum/breakpoint-isr-seems-affect-prior-execution-atmel-ice   I never could figure out what was going on with that. ...
Monday, 20 January 2020 - 16:38
Breakpoint in ISR seems to affect prior execution?? Atmel ICE
I have timer TCB0 configured for frequency measurement mode on an ATTiny1614.   In this mode, the count value is saved in a register (CCMP) and an interrupt is generated...
Wednesday, 15 January 2020 - 13:24

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