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The 44-pin package chip of SST89e516 has an additional P4 port like MCS51. The P4 port uses the same IO as P0~P3, but the address of the P4 port is A5H. In the header file, add sfr P4 = 0xa5;
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After the three-child policy was announced, many parents declined the offer: in this era of involutionary education, kindergarten and primary school interviews require a large vocabulary and the abil...[Details]
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Interleaved Inverting Charge Pumps—Part 1: New Topologies for Low-Noise Negative Voltage Supplies Introduction Noise must be minimized in precision instrumentation or radio frequency (RF) circui...[Details]
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LED driver power supplies are currently developing towards high power factor, high output current accuracy, high efficiency, high reliability, low cost and small size. Therefore, the primary current ...[Details]
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The evolution of intelligent driving technology depends on three key elements: algorithms, computing power and data. There is gradually a consensus in the industry that intelligent driving applicatio...[Details]
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First, how does a voltmeter measure voltage? 1. The voltmeter should be connected in parallel with the circuit being tested to measure the voltage 2. Distinguish between alternating current and direc...[Details]
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Mouser Launches Single Pair Ethernet Technology Page with Texas Instruments and Phoenix Contact September 30, 2021 – Mouser Electronics, Inc., the premier New Product Introduction (NPI) and widest ...[Details]
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Please check the agenda of the 2022 Gaogong Lithium Battery Intelligent Manufacturing Summit! Looking back at 2022, the epidemic was raging. The instability of the global supply chain has intensifi...[Details]
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There has been a voice echoing in the industry: "Has the terminal form factor such as mobile phones reached its end?" 5G has provided our economy with an unprecedented opportunity and also set off a ...[Details]
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LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
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In the asynchronous motor vector control system, closed-loop speed control is essential to ensure control stability and control performance. Vector control can be divided into two categories: with ...[Details]
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How to plan the movement is a major issue in the field of robot development. This article shares an open source library on GitHub that is commonly used in path planning in robotics technology, as...[Details]
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由中国光学光电子行业协会液晶分会和中国物理学会液晶分会联合主办,爱集微咨询(厦门)有限公司、电子科技大学、成都新型显示行业协会、成都辰显光电有限公司(维信诺)承办的2022中国显示学术会议将于9月22-24日在成都举行。 中国显示学术会议是中国历史最悠久、规格最高的显示学术会议。近30年以来,中国显示学术会议与中国显示产业同步成长,见证了中国显示产业从无到有、由小到大的崛起过程,每一届中国...[Details]
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After more than 20 years of development, IC cards (Integrated Circuit Cards) have been widely used in finance, telecommunications, insurance, commerce, national defense, public utilities and other ...[Details]
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A large-scale battery energy storage project in New South Wales, Australia, built by Tesla's Megapacks. Image: Edify Energy.
Tesla CEO Elon Musk claims that it will be “...[Details]