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When the P0, 1, 2, and 3 ports of 8051 are used as outputs, there is little difference. Only the P0 port needs an external pull-up resistor, about 10K.
But when 8051 is used as input, it is basically...[Details]
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On May 5, Redmi launched the Redmi Note 10T mobile phone in Japan, priced at 34,800 yen (about 1,800 yuan). The main highlight of Redmi Note 10T is that it supports IP68 dust and water resist...[Details]
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The 125W Class D subwoofer power amplifier circuit designed with the newly launched LM4651 and LM4652 of National Semiconductor is shown in the figure. The output power of the amplifier is 125W under...[Details]
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Interrupt Type When an abnormal interrupt occurs, the system will jump to the corresponding abnormal interrupt handler after executing the current instruction. When the handler is executed, the progr...[Details]
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On August 18, Xingji Micro-Equipment released its semi-annual report stating that in the first half of 2021, the company achieved operating income of 186 million yuan, a year-on-year increase of 145....[Details]
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Recently, there have been more and more leaks about Huawei’s new product launch in March and Kirin 9000L. Among them, the most concerned is the Huawei Mate 40E Pro that supports 5G. Today, bl...[Details]
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On March 15, an investor asked on the interactive platform, "Has Zhanrui Micro joined the China Open Instruction Network (RISC-V) Alliance?" In response, Zhuoshengwei said that the company's curren...[Details]
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For amateur radio enthusiasts, the most common use of signal generators is to measure the sensitivity of radio stations and walkie-talkies. Many HAMs believe that using a comprehensive tester to a...[Details]
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uIP is mainly designed for 8-bit and 16-bit systems. The program was written with porting in mind. The main files of uIP include uip.c and uip_arp.c. (1) The basic process of porting. Cha...[Details]
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The keyboard is a switch matrix composed of several buttons. It is the most commonly used input device in the single-chip microcomputer system. Users can input instructions, addresses and data to the...[Details]
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Overview Capacitors are basic components in a variety of electronic devices and are widely used for bypassing, coupling, filtering, and tuning electronic circuits. However, to use capacitors, it is n...[Details]
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Beijing, China, September 9, 2021 - Aixin Technology, an AI vision chip R&D and basic computing platform company, has officially changed its name to Aixin Yuanzhi Semiconductor (Shanghai) Co., Ltd. ...[Details]
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The temperature measurement principle of the infrared thermometer is to convert the radiation energy of infrared rays emitted by an object (such as molten steel) into an electrical signal. The size of...[Details]
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The thermal performance of LED products has a great impact on their optical, color, electrical performance, reliability , and service life, so their thermal management design and measurement ...[Details]
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CoreEngine Technology recently announced that its all-scenario high-end autonomous driving chip "Xingchen-1" was successfully powered up and quickly exceeded all performance design targets. The chi...[Details]
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