Questions tagged [assembly]
This is a programming language that is at a low level that corresponds with the instruction set of the machine being programmed.
468 questions
1 vote
1 answer
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Why aren't nested interrupts working on the R5F core on the AM2434/AM6442 when using VIM?
QUESTION: Why aren't nested interrupts working on the R5F core on the AM2434/AM6442 when using VIM? This question is not about someone reviewing my code. It's about trying to understand the ARM R5F ...
0 votes
1 answer
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Assembling tactile switch onto PCB
I am attempting to repair the following piece of electronic. The tactile switch is an interface for the on/off button that on the case of the device. I have tried soldering the tactile switch onto the ...
2 votes
1 answer
202 views
Flip chip assembly consideration in PCB stack up
In the following 14 layer PCB, there is a flip chip assembly for one of the chips, the chips is very fine pitch around 200 um: Considering that in flip-chip assembly, the heating process occurs from ...
0 votes
1 answer
132 views
Leveraging the ability of AVR microcontrollers to self-program [closed]
I am planning writing an elaborate swarm-like (8-16 chips with no common bus to speak of) solution. Given that I plan on storing 3k of data (considering implementing compression) and need some clarity....
0 votes
2 answers
158 views
Keil uVision 5: stuck on question of assembly code for 8051 microcontroller to implement a logic circuit [closed]
Unable to solve the above question. Getting error A40:invalid register when running this code on XRL instruction: ...
1 vote
0 answers
199 views
STM32 debugger shows wrong stack pointer
Before explaining the problem I want to say as a disclaimer that I am a total beginner with baremetal coding in ARM, so the problem could be anywhere. I am following this guide to move my first steps. ...
0 votes
1 answer
99 views
LCD Entry Mode Set and AVR MCU
I want to simulate **the Entry set mode ** function of and LCD based on HITACHI 44780 Controller. (Here is the datasheet.) The "Entry set mode" is given the following code of the 8 bits data ...
0 votes
1 answer
98 views
AVR assembly indirect addressing: "Found no label/variable/constant named …"
I am currently trying to indirectly address the SRAM of the ATMega328P by using the following code: ...