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Code relocation We will now solve the code relocation problem introduced by the code relocation experiment (I). For S3C2440: When the BIN file is smaller than 4KB: If Nand mode is used for startup,...[Details]
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Taking ATmega16 microcontroller as an example, there are 32 general I/O ports, divided into 4 ports PA, PB, PC, PD. Each port contains 8 I/O ports, as shown in the figure. Each port corresponds to an...[Details]
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1.＃i nclude<> means to go to the editor setting directory, ＃i nclude "" means to go to the current project directory.
2. To call a function in another file, put the function file in the current proje...[Details]
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First, how does a voltmeter measure voltage? 1. The voltmeter should be connected in parallel with the circuit being tested to measure the voltage 2. Distinguish between alternating current and direc...[Details]
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Reset circuit:
When the reset pin RST (full name RESET) of the MCS-5l series microcontroller appears high level for more than 2 machine cycles, the microcontroller performs a reset operation. If RST ...[Details]
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1. Control of high pressure pump
The inlet and outlet pressure limits are set to control the operation status of the high-pressure pump. The variable frequency high-pressure pump controls the ...[Details]
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Recently, foreign media LetsGoDigital exposed two new "dual-sided screen" smartphone designs of Xiaomi, and hinted that they are expected to be adopted in upcoming devices. Both solutions ...[Details]
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Since the output signals of the detection output circuit are mostly positive polarity, the amplitude separation circuit of the positive polarity video full television signal is shown as V2 in Figu...[Details]
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CAN (Controller Area Network) is a local area network technology based on bus communication, which is widely used in automotive electronics, industrial control and other fields. In practical ap...[Details]
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The 2019 China (Chengdu) Electronic Information Expo will be held at the Chengdu Century City New International Convention and Exhibition Center from July 11 to July 13, 2019. As a leading enterprise...[Details]
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Sina Digital News on the morning of June 30th, mobile application analysis agency Sensor Tower recently reported that Apple’s App Store earned $41.5 billion in revenue in the first half of 2021, an i...[Details]
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Ookla, the developer of the well-known speed test application Speedtest, conducted 5G battery consumption tests on some flagship SoCs from popular brands such as Qualcomm, Samsung, Google and MediaTe...[Details]
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0 Introduction
Linux is an operating system that can run on multiple platforms, has open source code, is free, powerful, complies with POSIX standards, and is compatible with Unix. With the ...[Details]
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introduction
When the ambient temperature of the LED is higher than the safe operating point temperature, the forward current of the LED will exceed the safe zone, greatly reducing the li...[Details]
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According to the main circuit of the three-phase AC motor forward and reverse control in the figure below, design a PLC control system for the motor forward, stop and reverse. The control requireme...[Details]
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