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If too many Chinese characters are used in the system, the chip capacity may be insufficient. The data can be stored in the external FLASH and called when needed. This article uses STM32 serial port ...[Details]
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According to the report just released by DxOMark, the newly released Honor Magic4 Ultimate Edition scored a new high of 146 points in the mobile phone imaging test, setting a new record again, ...[Details]
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Among the 13 PCB manufacturers that have disclosed their first quarter reports, 7 saw year-on-year revenue growth, with Shenghong Technology having the largest increase of 22.85%. Among the 5 compani...[Details]
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1. Purpose of writing After setting up the development environment according to "1. AT91SAM9260 Establish Development Environment.doc", the next step is to debug each hardware driver. This document i...[Details]
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Due to its characteristics in impedance, TL431 is often used to replace diodes . As a precision voltage regulator, it is widely used in various circuit designs. In LED driving, TL431 plays a role in ...[Details]
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The State Council recently issued the "Several Policies to Promote the High-Quality Development of the Integrated Circuit Industry and the Software Industry in the New Era" (hereinafter referred to a...[Details]
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Since 2017, due to strong downstream demand and the withdrawal of Japanese manufacturers, electronic components have generally been in short supply, resulting in a continuous rise in prices. As a res...[Details]
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@****************************************************************************** @ File:head.S @ Function: Initialization, setting the stack of interrupt mode and management mode, and setting the inte...[Details]
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1 Introduction Power electronic products are widely used in the field of industrial control, and users have higher and higher requirements for power quality, among which the most prominent are volt...[Details]
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Electronic and electrical architecture has become one of the core areas of modern automobile research and development. This article mainly discusses the development and innovation of body domain co...[Details]
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1. Clock initialization
1.1 Clock initialization analysis
1) Crystal oscillator frequency
2) How many PLLs are there?
3) Which clocks will the PLL generate?
4) What is the ...[Details]
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/*The row lines are connected to P1.0-P1.3, and the column lines are connected to P1.4-P1.7.
According to the key value code returned by scanning the keyboard, the key value is looked up in the key ...[Details]
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The Keithley 6430 electrometer features ultra-low noise 0.4fA pp and preamplifier and is widely used for low-level signal measurements such as studying single electron devices, high resistance nanowi...[Details]
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Apple has been embroiled in lawsuits recently. Last week, it was sued by several European countries for its iPhone battery scandal. Now, medical device company AliveCor has filed a patent infringemen...[Details]
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On April 15, Reuters quoted analysts as saying that "if China's COVID-19 epidemic blockade continues, shipments of some Apple products as well as Dell and Lenovo laptops may face delays as restricti...[Details]