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Failed to enter programming mode.
Rest of thread title moved here: "ispEnterProgMode: Error status received: Got 0xc0, expected 0x00 (Command has failed to execute on the tool)  Unable to enter programming...
Thursday, 15 September 2022 - 01:58
OK to have crystal oscillator on OSC pins when configured for internal osc?
I have a ATmega328p design that has a 32.768 Khz oscillator on the XTAl1 and XTAL2 pins.  This was for an internal RTC implementation.   I have compile flags that...
Sunday, 3 October 2021 - 11:55
Scraping the bottom of the barrel!
I need another pcb assembly next week.  No big deal to build it, I figured.     But I didn't realize you can't get Atmega328p in TQFP for months!   So, I...
Tuesday, 28 September 2021 - 23:50
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

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