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What is DMA —- Directional Memory Access, Direct memory access is used to provide high-speed data transfer between peripherals and memory or between memory and memory. Data can be moved quickly throu...[Details]
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Hardware environment: SBC-2410X development board (CPU: S3C2410X) Kernel version: 2.6.11.1 Operating environment: Debian2.6.8 Cross-compilation environment: gcc-3.3.4-glibc-2.3.3 Part 1: Migration of...[Details]
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1 Objects and models
(1) Why are the DO and DI pins connected to one pin?
Since ADC0832 does not use the DO and DI ports at the same time during communication, and the interface...[Details]
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The most important thing in learning single-chip microcomputer is to practice more. You can't learn to swim standing on the shore. Without practice, I'm afraid you will never learn single-chip microco...[Details]
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According to how temperature sensors are used, they are generally divided into two categories: contact and non-contact. 1. Thermocouple, thermal resistance contact type According to the thermal...[Details]
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The characteristic of switching power supplies is that they generate strong electromagnetic noise, which will cause great interference if not strictly controlled. The following technology can help re...[Details]
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As a former leader in displays, Japan is undoubtedly glorious, but in the OLED era, they seem to be unable to keep up with the pace, but this does not mean they will give up. According to Korean me...[Details]
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Why Millimeter Wave Requires a Different Approach to DPD and How to Quantify Its Value
Why does mmWave require a different DPD approach? How can its value be quantified?
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In an interview with Swiss media a few days ago, US Secretary of State Pompeo reiterated that Chinese companies cannot ensure information security, and cooperating with Chinese companies is equivalen...[Details]
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News on the evening of April 13, iQOO held a new product launch conference today, launching the new Neo series product iQOO Neo6 and accessories such as heat dissipation back clip. Before the...[Details]
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First, follow the steps to modify the relevant information and execute make zImage. Many errors occurred: the representative errors are as follows: arch/arm/mach-s3c2440/mach-mini2440.c:189: error...[Details]
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In ATMEL's 89S51 series, 89S51 has the same function as 89C51. Command compatible. HEX programs can be used directly without any conversion. 89S51 only adds a watchdog function than 89C51. For other ...[Details]
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1. What transformer
Transformer is an electrical device that transfers electric energy or signals from one circuit to another using the principle of electromagnetic induction. It is an imp...[Details]
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For position control of rotating objects driven by servo motors, a sleeve-type electromagnetic rotary transformer plus a complex processing circuit is usually used to realize angle encoding, and th...[Details]
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In June this year, the company's first zinc-bromine flow battery energy storage system for China Petroleum completed load commissioning at the Mahu 078 well site in the Xinjiang Oilfield.
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MEMS sensors
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