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Q&A

Posts tagged microcontroller

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66%
+2 −0
Q&A Level shifting of a 3 state logic pin

I want to design a simple battery charger using MCP73831/2. This chip has a 3-State state pin according to the table below: I have a 3.3V MCU and I want to connect this pin to a GPIO. The MCU is...

1 answer  ·  posted 8mo ago by dekker‭  ·  last activity 8mo ago by Olin Lathrop‭

77%
+5 −0
Q&A Why do large RAM chips not have a serial interface?

I have a PIC32MZ2048ECG064, a 64-pin 32-bit microcontroller with 512kB RAM. This is not enough for my purposes, I need to extend it by at least 32MB, preferably 64 or 128. I believe this means I ca...

0 answers  ·  posted 11mo ago by Keelan‭

66%
+2 −0
Q&A recommendation for chip programming connection (pogo?)

Background: I have several microcontroller based projects with custom PCB that have been in very-low-volume production, but the quantities are starting to go up. (batch sizes now ~100 and threateni...

1 answer  ·  posted 2y ago by Pete W‭  ·  last activity 2y ago by Olin Lathrop‭

66%
+2 −0
Q&A CAN Bus - Internal Oscillator

Every time I needed CAN, I had just put external crystal and didn't think about it after that. It worked fine. I am wondering however whether the precisions of MCU internal oscillator is sufficien...

3 answers  ·  posted 2y ago by 2kind‭  ·  edited 2y ago by Lundin‭

60%
+1 −0
Q&A Control circuit for Power Converters

There is always a mixed response when comparing power management ICs (PMIC) and microcontrollers in the application of power converters (I mean as pwm controllers). What are the advantages and dis...

2 answers  ·  posted 2y ago by aditya98‭  ·  last activity 2y ago by Olin Lathrop‭

50%
+1 −1
Q&A I have to choose: Arduino or Raspberry pi.

Moderator Note If this site were mature, this question would be closed because it solicits opinions, or is too specific about particular models. In the interest of site activity, answers are being...

2 answers  ·  posted 2y ago by coquelicot‭  ·  last activity 2y ago by Olin Lathrop‭

66%
+2 −0
Q&A How come the registers in a micro are application specific?

This is an energy meter reference design guide I found in microchip's website. In a microcontroller how come the registers are specific to the project?Please explain.

3 answers  ·  posted 2y ago by aditya98‭  ·  last activity 2y ago by manassehkatz‭

71%
+3 −0
Q&A When to use RTOS?

When should I consider using RTOS in my application? Every microcontroller has a good number of interrupts then what is the need of it?

1 answer  ·  posted 2y ago by aditya98‭  ·  last activity 2y ago by Olin Lathrop‭

87%
+12 −0
Q&A What is a bootloader, and how would I develop one?

I've heard that a bootloader is code that runs on a microcontroller, and is used to get your application code onto the micro. How does that work? Is there anything special that needs to be done to...

1 answer  ·  posted 2y ago by Olin Lathrop‭  ·  edited 2y ago by Olin Lathrop‭

80%
+6 −0
Q&A How to access a hardware register from firmware?

When writing firmware in C for a microcontroller, how can I directly access a memory location such as a hardware peripheral register, given its absolute address? Is there a way to do this safely an...

1 answer  ·  posted 2y ago by Lundin‭  ·  edited 2y ago by Lundin‭

66%
+2 −0
Q&A Tools required to burn code in a quad flat microcontroller

I always have a doubt that how do firmware engineers dump code into a quad flat microcontroller? For a starter kit there is already connection like USB or some SPI ,I2C headers to burn the code,als...

1 answer  ·  posted 2y ago by aditya98‭  ·  last activity 2y ago by Olin Lathrop‭

Question microcontroller