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1. Framework 2. Startup process Most ARM chips start from address 0 NOR boot: NOR Flash base address is 0, on-chip RAM address is 0X4000,0000 The CPU reads the first instruction (the first four b...[Details]
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The purpose of the addition instruction INC A INC Rn INC direct INC @Ri INC DPTR is very simple, that is, to add 1 to the value in the subsequent target. Example: (A) = 12H, (R0) = 33H, ...[Details]
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After three years of obstruction by the United States, SMIC announced that it would spend $1.2 billion to order wafer production machine lithography machines from ASML. The market is curious about ho...[Details]
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introduction
Current protection is generally divided into three stages: the first stage is current quick-break protection; the second stage is time-limited current quick-break protection; the ...[Details]
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O Introduction
This design requires the control of the horizontal and elevation angles of a certain artillery to meet the requirements of a fast position servo system. The angle control system ...[Details]
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Many manufacturers have entered the domestic electric vehicle charging and battery swapping market, but industry norms and local standards have not yet been introduced. However, this dilemma is about...[Details]
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NRF24L01 wireless module uses the NRF24L01 chip, the main features of this chip are as follows:
1) 2.4G is a globally open ISM frequency band, license-free for use.
2) The maximum operating rate is...[Details]
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I. Overview IIC stands for Inter-Integrated Circuit (IC bus). This bus type was designed by Philips Semiconductor in the early 1980s. It is a simple, bidirectional, two-wire, synchronous se...[Details]
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Twitter user @Apple Demo shared some photos and hands-on videos of Apple Watch prototypes. From the pictures, we can see that this early prototype is covered with a thick protective case to pr...[Details]
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The $52 billion Endless Frontier Act aid launched by the US government last week gave a shot in the arm to the semiconductor industry, which has been severely affected by the chip shortage. But some ...[Details]
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Now everyone is familiar with permanent magnet variable frequency motors, right? Now it has appeared around us very frequently, mainly because permanent magnet variable frequency motors are energy-...[Details]
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The rising costs and the weakening voice are pushing one car company after another to make batteries themselves. The camp is growing. For GAC, which does not want to be a worker, making batteries is a...[Details]
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According to foreign media reports, U.S. officials are considering tightening export control rules and further restricting the export of artificial intelligence chips to China. Nvidia Chief Financial...[Details]
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Transformer excitation inrush current is the transient current generated in the transformer winding when the transformer is charged at full voltage. When the residual magnetic flux in the iron core...[Details]
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Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It has the characteristics of flexible programming, powerful functions, high re...[Details]