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Jiwei Consulting has been tracking the ODM industry for a long time and has found that after the global smartphone shipment growth slowed down, the three giants in the ODM industry, Huaqin, Wingtech ...[Details]
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Principle of DSPLL
This technology uses DPS high-speed computing to replace the phase-locked loop filter circuit that is usually built with discrete components. Since no external components ...[Details]
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The topology of the Fliege notch filter is shown in the figure. Compared with the twin-T structure, this filter circuit has the following advantages: the center frequency can be tuned with only four ...[Details]
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1. Overview MM58167B is a real-time clock source in a bus-type microprocessing system. It includes an addressable real-time counter, 56-bit on-chip RAM and two output interrupts. The valid signal o...[Details]
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The thermal characteristics of the LED from the PN junction to the environment must be clearly understood to ensure a safe, reliable design and satisfactory performance. There may be multiple therm...[Details]
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Let me start with a story about big end and little end:
The word "endian" comes from "Gulliver's Travels" written by Jonathan Swift. The book divides people into two categories based on the way the...[Details]
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Recently, the international standard for LCD multi-screen display terminals, which was jointly developed by BOE (BOE Technology Group Co., Ltd.), was approved and released by the 100th Technical Comm...[Details]
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April 20, 2021, Beijing, China - Avnet, a leading global technology distributor and solution provider, will hold the "Avnet AI Cloud Expo" to showcase innovative technologies, applications and soluti...[Details]
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1. Introduction In recent years, my country's atmospheric pollution has become increasingly serious. Visibility, as one of the main meteorological environmental parameters, has important environmenta...[Details]
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Results Good measurement repeatability Low installation cost Eliminate leakage hazards Application DMAC solution flow measurement problem in the acrylic fiber plant of Jilin Chemical Fiber ...[Details]
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For many fast-growing companies, the ability to hire high-end talent around the world is the key to seizing new market opportunities first. In the process of continuing to expand into international m...[Details]
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4、 生成第一阶段gcc: $root@host:/home/arm/build-tools/# tar xvjf gcc-4.2.1.tar.bz2
打补丁:
$root@host:/home/arm/build-tools/# cd gcc-4.2.1
$root@host:/home/arm/build-tools/gcc-4.2.1#
patch –Np1 –i /home...[Details]
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In March, the weather is getting warmer. China Mobile's 2019 annual performance also showed a warming trend. The annual performance report shows that China Mobile's operating revenue in 2019 was RM...[Details]
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System solutions based on MCUs, custom ASICs, and bulky wiring harnesses to implement engine and control electronics have developed to the point where their technology and application limits are ap...[Details]
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Use rpm -qa | grep nfs to check whether the tftp server is installed
yum install nfs
1. Server installation:
1.setup
2.System Services
3. Check *nfs
4.service nfs res...[Details]