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AtmelICE: Error 4109 - No device detected
Hello,   All of a sudden my AtmelICE refuses to connect to the ATSAML21E18B on SWD, works fine on my ATUC256L4U aWire. My setup has been working fine for well over a year at...
Tuesday, 21 June 2022 - 09:25
send struct from avr to python
Nevermind, delete this. Just as I asked the question I figured it out. Duh.
Tuesday, 31 May 2022 - 10:05
Initializing a struct with some padding in C
Hello,   I have a struct that I am trying to initialize with some values - in order to account for future additions I need to add some padding but I can't seem to get it...
Friday, 27 May 2022 - 14:16
Help me understand this circuit (3v3 to 5v UART)
I'm working with an evaluation board to try to verify something for a PCB that was designed with the evaluation board as the template. I am unable to use UART to talk to the...
Wednesday, 4 May 2022 - 10:01
Embedded Linux (i.MX6)- accessing SPI GPIOs individually
I'm not sure anyone will be able to help me but I am gonna throw out this Hail Mary-pass as I am getting brick-walled on the NXP forums. This is a bit long so bear with me....
Friday, 29 April 2022 - 17:45
ATUC256L4U: TWIM reading peripheral register values - clock stuck on LOW
Hi,   I'm successfully writing values to register (according to my oscilloscope and how the peripheral is reacting). However, I'm having less luck in reading registers....
Monday, 4 April 2022 - 14:01
ATUC256L4U: PDCA to TWIM
I'm trying to send some commands to an I2C device but I am running up against a wall. The device is responding to my commands and adjusting its voltage as I am writing to the...
Friday, 1 April 2022 - 17:01
Accidentally plugged ATMEL-ICE to wrong port (AVR to SAM), is it bricked?
I have a board with both an ATUC256L4U and a ATSAML21E18B. I was doing some work on both of them and managed to forget to switch the connection on the ICE over to the AVR...
Tuesday, 29 March 2022 - 13:49
ATUC256L4U: PDCA to I2C
Hello,   I am trying to wrap my head around some legacy code and modify a function. The previous piece of code (see below) controlled a simple write-only I2C device where you...
Monday, 21 February 2022 - 17:00
ATUC256L4U: GPIO erroneously detecting
Hello.   I have a 1k resistor wired directly between PA18 and Ground on some newer PCBs. I am using it as hardware detection of the PCB version in the following way...
Friday, 3 December 2021 - 14:16
Problem ssh:ing into a Linux machine
Hello,   I have a device running a Linux system that I am having issues SSHing into. It keeps refusing all of my attempts. I can connect to the device through a serial cable...
Tuesday, 23 November 2021 - 11:00
What does capacitance/voltage mean on this circuit?
Hi there,   I'm designing a circuit to test a device and I ran into something that I haven't seen before - some of the capacitance values are divided by a voltage as shown...
Thursday, 21 October 2021 - 09:56

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