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Introduction: This paper introduces a new PWM output method. It uses 89C51 as the main control part and 8254-2 programmable timer/counter to realize 1Hz~3kHz step-by-step PWM output. It has the advan...[Details]
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Room lighting is inseparable from lamps, which are the concentrated reflection of lighting. They are not only tools to complete the functions of room buildings and create visual conditions, but al...[Details]
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introduction With the development of social economy, cars have become an indispensable means of transportation in people's work and life. In the current automobile industry, various electronic cont...[Details]
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In systems such as communication switching power supplies or switches, most of the conducted EMI is caused by the AC power supply shared by different devices or systems. The interference source c...[Details]
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I encountered many problems and gained a lot through the one-year study of 430. The following are some of the problems I encountered during the study and their solutions. There are still many things t...[Details]
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This blog is compiled by Arm Blueprint staff. The three waves of photography technology are still images, moving images, and the future will be cameras that fuse motion, thermal and other data to m...[Details]
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According to foreign media reports, as automakers cope with the global semiconductor shortage, a Volkswagen executive said the company is considering purchasing chips directly from chip manufacturers...[Details]
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Example C program for two-level interrupt nesting of single-chip microcomputer
#ifndef __DEMO_4_13_C__
#define __DEMO_4_13_C__
#include AT89X51.H
#define _MHZ_ 12 // Set the crystal oscill...[Details]
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With the launch of the Samsung Galaxy Note 10 series, Samsung has finally improved on fast charging, providing a 25W charger in the box and offering a 45W optional charger. The 25W charging power o...[Details]
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From investing 200 million yuan to build a battery R&D laboratory to investing 2 billion yuan to establish a battery company, NIO's determination to "make its own batteries" has gradually emerged. ...[Details]
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1 Introduction
With the continuous development of the domestic power industry, more and more AC loads in power plants and substations require uninterruptible power supply in the event of a...[Details]
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Today's mobile phones and other portable devices are becoming smaller and thinner, while integrating more and more new functions or features, such as large-size displays, high-resolution camera mod...[Details]
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1 More than 50% of unicorn startups in the United States are 2B companies, while only 10% in China. The gap is huge, and the opportunities are huge. In 2018, BAT invested 81 times in the 2B startup f...[Details]
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Business needs and emerging technologies including generative AI drive cloud model innovation November 15, 2023 - According to Gartner's latest forecast, global end-user spending on public cloud se...[Details]
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In the previous section, when I set up to disable the watchdog, I set WTCON to 0 and masked the interrupt. As shown below:
This section is to mask the interrupt register:
The follow...[Details]
onsemi and Avnet IoT Innovation Design Competition
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