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The interrupt system of 80C51 has 5 interrupt sources (80C52 has 6), 2 priorities, and can realize two-level interrupt nesting. According to its schematic diagram, it can be seen that 80C51 has...[Details]
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Scanning Method 1) Scan row by row and column by column (K6 is pressed) For example, if K6 is pressed, how do we know which one is pressed? First, row 0 outputs low level 0, other rows output ...[Details]
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Duwan: Keep the original intention and keep your feet on the ground The 8th China Information Technology Expo (CITE 2020) was held at the Shenzhen Convention and Exhibition Center from August 14 to...[Details]
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Apple is looking into making essential components of the Apple Watch, like the display, do double duty by integrating Wi-Fi, Bluetooth, GPS, UWB or other antenna capabilities. Apple has recent...[Details]
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The oscilloscope is the most widely used and powerful measuring instrument in hardware R&D, experiment and maintenance. Its most basic function is to convert electrical signals in electronic circuits...[Details]
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According to Yonhap News Agency, LG Electronics recently signed an agreement with the Korea Robot Industry Development Institute in Daegu Buk-gu to improve the safety of its industrial intelligent ro...[Details]
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0 Introduction The system designed by the common eight-bit analog-to-digital conversion chip (such as ADC0809 , etc.) is relatively simple and low-cost, but sometimes the eight-bit accuracy is not e...[Details]
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Information shows that recently, Apple’s patent for “system and method for swimming analysis” was authorized. The abstract shows that the invention describes a system and method for analyzing a u...[Details]
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From July 11th to 13th, the 2023 Munich Shanghai Electronics Show was grandly held at the National Convention and Exhibition Center (Shanghai). Ruineng Semiconductor ("Ruineng"), the world's leading...[Details]
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Running generative artificial intelligence (AI) systems is not only expensive in terms of hardware, but also incurs staggering energy consumption. According to technology website TechCrunch, Semron, ...[Details]
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In recent years, ultra-large screens, Dolby sound effects, queen seats and various driving modes have gradually become standard features in models ranging from more than 300,000 yuan to new cars with...[Details]
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3. The lower 128 units of the internal data memory (00H~7FH) The total capacity of the internal data memory of the 51 microcontroller is 256 bytes, and the address ranges from 00H to FFH. This 256-...[Details]
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On July 7, the Semiconductor Industry Association (SIA) announced that global semiconductor industry sales in May 2021 were $43.6 billion, up 26.2% from $34.6 billion in May 2020 and up 4.1% from Apr...[Details]
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Without further ado, here are the pictures: I recently went on a business trip to a customer's site to debug equipment. The scene is shown above. The technical part I was responsible for included a...[Details]
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With the development of science and technology, single waveform generators with ordinary performance are increasingly unable to meet actual needs. In order to realize generators with complex performa...[Details]