Click the blue text above to follow us The main reason for adding a 22Ω or 33Ω resistor in series when a microcontroller uses SPI to connect to a sensor or controller is to suppress reflections and ringing. 1 Principle of Reflection and Source Matching In high-speed digital signal transmission, when the signal driver (such … Read more
This article introduces the SPI mechanism in Spring. abstract.png Basic Practice Spring SPI draws on the design philosophy of Java SPI. It implements the SPI mechanism through the spring.factories method, providing extensibility to the framework without modifying its source code. Specifically, we first define an SPI interface. package com.aaron.application.SpringSpi.BasicSpiDemo; public interface Greet { void hello(); … Read more
1. Completed IIC and SPI communication using software simulation; 2. Next, prepare to use DMA to transfer SPI data and calculate the angle time for reading once.
Hello, hero! Welcome to the FPGA technology world. The world is vast, and meeting is fate. You can follow the FPGA technology world to get other interesting resources in the “Adventuring” and “Chivalry” sections, or have a drink and chat together. Today, I bring you the parametric structure design for SPI in FPGA. Without further … Read more
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Since the launch of the three-year action plan for state-owned enterprise reform, State Power Investment Corporation (SPIC) has earnestly implemented the decisions and deployments of the Party Central Committee and the State Council, and has solidly promoted the implementation of various reform tasks in accordance with the requirements of the State Council’s Leading Group for … Read more
For more experience sharing, follow RF Engineer When a microcontroller or FPGA sends SPI control signals to a phase-locked loop chip, it often requires a series connection of a 22 ohm or 33 ohm resistor. What is the reason for this? Impedance discontinuities can cause electromagnetic wave reflections, which in turn lead to signal distortion. … Read more
Author:sigangjun blog.csdn.net/sigangjun/article/details/79071850 The full name of SPI is: Service Provider Interface. Most developers may not be familiar with it because it is aimed at vendors or plugins. There is a detailed introduction in the documentation of java.util.ServiceLoader. To summarize the idea of the Java SPI mechanism briefly: in our system, the various abstract modules often … Read more
Today it’s raining and I don’t want to go to work, so I’m recording a video to share. var __INLINE_SCRIPT__ = (function () { 'use strict'; function _arrayLikeToArray$1(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] … Read more
Click here to download the materials (3rd update) Here are some resources for everyone, copy and reply with the following keyword to receive Practical Power Supply Circuit About Today’s Post SPI is a high-speed, full-duplex communication bus. SPI communication uses 3 buses and a chip select line: SCK, MOSI, MISO, and the chip select line … Read more