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.
738 questions
-3 votes
0 answers
28 views
Parallel Bus interface on SOM module [duplicate]
I have this SOM module. I initially planned to boot the SOM module from a NAND Flash IC that uses a parallel interface (requiring address, clock, enable, and data signals). According to the datasheet, ...
0 votes
0 answers
41 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) ...
4 votes
3 answers
398 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 ...
1 vote
0 answers
61 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 ...
1 vote
1 answer
108 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 ...
2 votes
2 answers
334 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 ...
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
1 answer
173 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 ...