Type in the full discussion title or a part of it.
Discussion Title Created date
Ateml-ICE fails to enter programming mode in AS7
I'm trying to program an ATTiny85 via Atmel-ICE and debugWire from AS7, but I get an error:   My devices seem to be set up correctly: What might be causing this?...
Mon. Jun 25, 2018 - 04:54 AM
OK to use a filter cap on RESET when using JTAG?
I'm designing an ATMega32A board, which is programmed and debugged via the JTAG interface.  The AVR042 app note recommends a .1 uF cap on reset unless you're using DebugWire...
Tue. Jun 5, 2018 - 09:33 PM
Reflowing a previously soldered board
In a week or two I'm going to bring up a new board I've designed based on an ATMega32A.  It has a 5V regulator fed from an external 12V supply, 16 MOSFETS, an RS485 driver,...
Tue. May 15, 2018 - 03:36 PM
ATMega32A: JTAG vs. debugWire
I'm starting a new design with the ATMega32A.  The chip supports both debugWire and JTAG, and I'm wondering what the benefits and disadvantages of each are.  I'll be...
Sun. May 6, 2018 - 05:59 PM
Have you ever driven a 16x2 I2C LCD?
I bought one of these inexpensive 16x2 I2C LCDs on Amazon.  There's no documentation, but I figured how hard could it be to get up and running, since I've used UART-...
Thu. Mar 8, 2018 - 04:59 AM
Seeking I2C app note code
I'm working my way through AVR315 (now AN2480) and it references TWI_Master.c and TWI_Master.h.  Atmel used to offer source code along side the associated app note...
Mon. Mar 5, 2018 - 03:51 AM
Unable to connect to Atmel-ICE
I'm doing some ATMega328P development with Jumpstart C and Atmel-ICE on Windows 10.  Everything was working fine up until a couple of days ago when the IDE stopped being...
Fri. Mar 2, 2018 - 07:37 PM
This is a test - ignore
Sorry.  Testing my malware blocker (Malwarebytes) which hasn't been letting me post here without disabling the entire app, despite the site being whitelisted.   Ed.:...
Mon. Feb 26, 2018 - 06:33 PM
Unable to connect to AVRISP MkII with avrdude
I'm brand new to avrdude and trying to accomplish my first flash.  I'm on a Win 10 system.  Whether I try to write or verify, I get the same error:   avrdude:...
Thu. Feb 8, 2018 - 04:48 AM
How to flash an AT90S8515?
So I have a project from 2003 that I need to update.  It was based on the then state-of-the-art AT90S8515.  I still have the C code for it, and it still compiles, but I...
Thu. Feb 8, 2018 - 01:31 AM
Do crystals consume power?
I'm working on a design for a battery-powered, AVR-based clock.  It's my first battery-powered project so I'm drilling down into power consumption more than I usually do....
Sun. Jan 21, 2018 - 06:02 AM
Seeking RTC suggestion
I have a low-power display clock application.  I'd like to keep the MCU sleeping until awakened by a time update interrupt every minute, at which point it will update the...
Sat. Jan 6, 2018 - 06:38 AM

Pages