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1.start.S process Setting up the stack Call the main function and save the return address in LR (R14) .text .global _start _start: /* Set up memory: sp stack*/ ldr sp, = 4096 /* nand start */ /* C...[Details]
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Mobile power has become an indispensable digital device in the daily life of most consumers. However, while we enjoy the convenience that mobile power brings us, its safety performance is also somet...[Details]
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On January 7, rumors about updates to Apple's iPhone 14 series, which will be launched this fall, continue. Whistleblower @DylanDKT claimed on Twitter that the front camera of the iPhone 14 Pro serie...[Details]
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ARM7 has two instruction systems, namely the ARM instruction set and the Thumb instruction set.
The ARM instruction set is 32 bits long and has the most complete functions; the Thumb instruction set ...[Details]
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The DC charging system is currently a delicate issue in the short term. In the long term, CHAdeMO, CCS and GB will coexist. When I see the situation in Europe and the United States, it is worth...[Details]
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Loop resistance testers are widely used in the power industry. Some problems may occur in the actual test process. Here, Huizhuo Electric Power summarizes the possible problems in the field test of l...[Details]
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The phosphors used in
white light LEDs
are
Nichia
's patented
YAG
and
OSRAM's
patented TAG. The following will introduce the two types of phosphors and their patent re...[Details]
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High-toughness solar panels thinner than a human hair or a sheet of paper will be used by Australian troops in Afghanistan, allowing soldiers to use this portable power source even when they are on...[Details]
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In an era of widespread application of information technology, passwords have become the main means of verifying identity, but some passwords must never be used.
1. The password and user name ...[Details]
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As we all know, the Volkswagen Model 3 is now the star model of Tesla in the United States, but another "secret weapon" that Tesla has not yet produced and sold is the electric truck (branded as Tesl...[Details]
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This little crab with eight legs is our first meal. As long as we eat it, the next big meal will be easy. The 1st and 8th legs are connected to the power supply +5V and ground. The first two legs are...[Details]
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I often hear people say in forums that 8-bit machines are slow, and 32-bit machines are fast. In fact, this statement is not correct. If you don't believe me, take a look at the data below.
Bit numbe...[Details]
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When talking about glass ink, many friends may first think of the industries that use glass ink more commonly, such as touch screen glass, household appliance glass, glassware, decorative glass, etc. ...[Details]
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简介：
MC9S12G系列是经过优化的汽车级16位微控制器产品线，具有低成本、高性能、引脚数量少的显著特点。MC9S12G系列适合需要CAN或LIN/SAE J2602通信的一般汽车应用。
基本特性：
MC9S12G系列具有16位MCU的所有优点和功效，同时保留了飞思卡尔现有8位和16位MCU系列用户所享有的低成本、低功耗、电磁兼容性(EMC)以及代码效率等优势...[Details]
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Buttons one, two, and three correspond to different functions on the 51 microcontroller For example, marquee, buzzer, breathing light, interruption, etc. #define FSCLK 11059200 //Crystal frequenc...[Details]
Microcontroller MCU
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