How fast are microcontrollers?

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Discussion Overview

The discussion revolves around the speed and capabilities of microcontrollers (uCs) in processing data from sensors and outputting signals, particularly in the context of real-time audio processing and sensor data transmission.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires whether it is feasible to obtain data from a sensor, process it, and output a signal in 0.001 seconds or less.
  • Another participant suggests that the feasibility depends on the specific microcontroller and the complexity of the calculations involved, indicating that it is generally possible.
  • A participant asks for clarification on the term "uC" and seeks guidance on how to determine the data transmission and reception times from device specifications.
  • One participant clarifies that an accelerometer is not a microcontroller and explains how the bandwidth of the accelerometer can be selected for different applications.

Areas of Agreement / Disagreement

Participants express differing levels of understanding regarding microcontrollers and their capabilities, with some agreeing on the general feasibility of fast processing while others seek clarification on specific terms and specifications. The discussion does not reach a consensus on the exact capabilities or specifications of microcontrollers.

Contextual Notes

There are unresolved questions regarding the specific calculations and data transmission times, as well as the definitions and roles of different components like microcontrollers and accelerometers.

GiTS
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Could I obtain data from a sensor, process an equation and a few lines of code, and output a signal to something like a speaker in .001 seconds or less?
 
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As I am sure you know, that is not a microcontroller (uC - u for micro, C for Controller) - it's an accelerometer.

As for it's output ability:

The user selects the bandwidth of the accelerometer using Capacitor CX and Capacitor CY at the XOUT and YOUT pins. Bandwidths of 0.5 Hz to 2.5 kHz may be selected to suit the application.
 

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