Questions tagged [microprocessor]
The microprocessor is an integrated circuit that elaborates information in the form of digital signals. Not to be confused with a microcontroller, which embeds many additional devices to control embedded systems.
736 questions
0
votes
0
answers
40
views
Implementation of Load Hazard in pipeline
Consider the following instruction sequence in a 5-stage pipeline with the stages: IF (Instruction Fetch), ID (Instruction Decode), EX (Execute), MEM (Memory Access), WB (Write Back)
...
0
votes
0
answers
60
views
What is the minimum electrical ICs you need to have to start the AM69 SoC from TI?
I cannot post on TI Design Forum because I don't have a TI-valid company email address.
I willl therefore ask the question here.
Introduction
TI offers a new type of SoC. It's called AM69. It's latest ...
4
votes
3
answers
397
views
First Time Designing an ATmega328p Dev Board – Please Roast Before I Waste Money
This is my first attempt at designing a custom development board using the ATmega328p, and it’s for our final project, and will be used for our Microprocessors and Microcontroller Systems and Design ...
3
votes
0
answers
103
views
Latency of Various RISC-V Instructions
To prepare for an upcoming exam on computer architecture, I'm solving practice problems from Computer Organization and Design RISC-V Edition. A tricky question I've encountered asks for the latencies ...
1
vote
0
answers
58
views
Can't get SPI1 on an STM32G030 with libopencm3 working correctly
I'm trying to interface an SD card using SPI1 on an STM32G030 with libopencm3. The pins I configured are: SCK on PA1 (AF0), MISO ...
0
votes
1
answer
63
views
Booting up of the Ethernet Switch
Going through the datasheet of this Ethernet Switch, I would like to understand what does "Boot from eMMC and Boot trace on FLEXCOM0"?
On page 17, I can see this.
I understand that if I ...
1
vote
1
answer
105
views
Interfacing Ethernet PHY
I am using this MPU and connecting it to an RJ45 as shown in the Figure 7-4 on page 24.
Usually, with ethernet PHY interface I see 2 LEDs on the RJ45 connector indicating link status and activity on ...
-1
votes
1
answer
79
views
Global reset pin being both an input and output
I am having this MPU.
I have a few questions regarding the NRST (pin 43) and NSTART (pin 28) pins. On page 20, section 6.1, it seems to indicate that the NRST pin is internal to the module and ...
2
votes
2
answers
329
views
Why do higher clock cycles generate more heat?
A CPU at a higher speed will generate more heat, essentially placing a limit on the maximum frequency. Higher speeds require more cooling, undervolting, etc.
While I always accepted this fact, I don't ...
-1
votes
2
answers
101
views
Problems getting a 310 V Airco motor driver running using a microprocessor
The driver has two 5-pin connectors for the motor, a potentiometer to control the speed of one motor and a micro processor connect PWM to control the second motor (the outside unit and the inside unit....
2
votes
1
answer
61
views
Nucleo-f439zi HardFault_Handler() when writing to FIFO for USB_OTG
I am trying to code the USB_OTG from scratch for nucleo-f439zi (STM32F439ZITbu).Microcontrollers_Reference_manual.
At this point I have set up the endpoints and I can receive and read the setup ...
0
votes
0
answers
62
views
What is Flex Domain,Application Domain and Real Time domain in iMX SoC
I was looking into the iMX series processor information. i.MX93 and i.MX94 specifically.
I can see that the processor blocks are divided into 3.They are as follows.
Flex Domain
Application Domain
...
0
votes
1
answer
170
views
How to control a DC supply current using a micro controller
I am aware this question was asked before (How can I control DC current into a battery charger using a microcontroller?), but it was never answered, so I've added more information into this question ...
2
votes
2
answers
122
views
Should decoupling be made before PC817 opto-coupler?
I am having trouble with "duplicated" signals when my microprocessor receives digital input. I think that the lack of proper decoupling could cause the issue, but I don't have the knowledge ...
4
votes
1
answer
497
views
How are microprocessors designed to handle propagation delay and still operate sequentially?
In computer programming, it's easy to write code that operates sequentially, but in a logic circuit, where everything is on all at once, this isn't so simple.
Say I wanted to write some data to a ...