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mega169 32KHz clock will not start reliably
I have a mega169 project that uses th4e async clock for real time. It spends most of the time in sleep mode, and just wakes up every second to update the clock. This has been...
Friday, 15 May 2020 - 01:06
File "save as" doesn't work as expected
I am running Studio 7 on a W10 system. I recently was editing a source file on a mega169 project. I decided that I should save the edited file with a new file name, and replace...
Monday, 3 February 2020 - 22:32
mega169 pin change interrupt problem
I am using a mega169 to read 7 toggle switch lines on port E. The port is initialized like this: DDRE = 0; // Port E is switch inputs PCMSK0 = 0xff; // all pins of Port E...
Wednesday, 15 January 2020 - 02:33
"cast to pointer of integer..." warning
I'm doing a C project in Atmel Studio 7. The target is the ATmega169. I'm using the eeprom to store a few critical items. So far, my code seems to run OK, but I always get the...
Wednesday, 8 January 2020 - 18:25
mega169 I2C hair-pulling session
I need to talk to an I2C proximity sensor, using a meag169 at the uC. I'm using Studio 7. I have a fairly complex project started in Studio 7 that originally used a different...
Tuesday, 5 March 2019 - 01:07
eeprom window displays question marks
I am developing a tiny4313 project, using Studio 7.0.1645. I have been working on this project for a while now, using an AVR Dragon as my debug interface. Yesterday, I wanted to...
Friday, 5 October 2018 - 18:11
Studio 7/mega169/JTAG can't remove "phantom" breakpoints
I'm trying to debug a mega169 project (not a Butterfly board) using Studio 7.0.1645, and when I run with the AVR Dragon as the debug tool, the program keeps halting at a place...
Tuesday, 21 August 2018 - 19:08
Bebugger breaking with no breakpoints set
I am using S7.0.1645, the target is a mega169 (not a Butterfly board!) and the debugger is AVR Dragon. In general, things are working OK, but I started having an odd problem. With...
Wednesday, 15 August 2018 - 19:18
mega169 ADC not working
I'm developing a project which requires the use of the internal ADC to monitor battery voltage. I had designed a "breakout board" for the mega169 to allow access to the various I/...
Wednesday, 1 August 2018 - 23:23
LCD registers and JTAG
I am starting a project using a meag169PA to drive a custom LCD display, and obviously, I'd like to use the built-in LCD driver, but a couple of issues have surfaced. 1. I use the...
Tuesday, 12 June 2018 - 02:00
mega328 async interrupts half-speed
I have a project using a mega328. The main clock is the 8 MHz internal, and I have timer 2 running asynchronously with a 32.768 KHz watch crystal. I have a very simple program...
Friday, 1 September 2017 - 04:25
How to change the %$#*#$ F_CPU in AS7/Arduino
OK, I've seen some other other threads about this, but nothing that seems to be definitive for me (at least, so far I cannot seem to make it work!). I have an Arduino sketch that...
Thursday, 31 August 2017 - 18:53

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