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Timer interrupt experiment S3C2440 provides three clocks: FCLK is used for the CPU core; HCLK is used for devices on the AHB bus, such as the memory controller, interrupt controller, LCD cont...[Details]
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Instructions 1. Correct steps It is divided into two circuits, the main circuit and the auxiliary circuit. The main circuit is adjusted by a large knob, and the auxiliary circuit is adjusted by a sma...[Details]
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Oil prices are soaring, raw material prices are hitting new highs, and the global energy management is on the verge of collapse. "Energy conservation" has once again become the hottest topic. As th...[Details]
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When using a network analyzer to test multi-port microwave devices, the test cable and the connection between different ports of the DUT need to be changed during the test. For example, when using a ...[Details]
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Sleep mode allows the application to shut down unused modules in the MCU, thereby reducing power consumption. The AVR has different sleep modes, allowing users to tailor the implementation according t...[Details]
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State Intellectual Property Office 2022 Annual Report: OPPO ranks fourth in domestic invention patent authorizations Recently, the State Intellectual Property Office released the "2022 Annual Repor...[Details]
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(Nickname and avatar have been processed) Many people have asked this question. Regarding the clock of the STM32 timer, TIM2 uses the clock of APB1. The clock of APB1 is clearly 36M, but why is it...[Details]
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The gigawatt-class all-vanadium flow battery factory of Jiangsu Meimiao Energy Storage Technology Co., Ltd. has recently started production. The factory is located in Hua Luogeng High-tech Zone...[Details]
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Many microcontroller-based systems have both analog and digital signals. Even systems that appear to be completely digital are not completely digital because of analog effects such as ringing and cro...[Details]
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Someone told me he had a 4-20mA current source. He wanted to determine if the current was out of range, or if the wire was broken! But no one knew how to detect that. If you want a tough challenge,...[Details]
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Electric vehicles have been developed so far. According to the energy replenishment method, there are currently plug-in electric vehicles, battery-swap electric vehicles and fuel-extended range elect...[Details]
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1 Optical part
Although there are many methods to measure tiny particles, such as microscopy and sedimentation, optical methods have more advantages:
(1) Due to the transmittance of light, no...[Details]
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In the GPIO experiment, we first wrote an assembly program to operate the register to light up the LED. However, the readability and portability of assembly language are too poor, so we wrote the sta...[Details]
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According to China Business News, after nearly four months in office, former Samsung China CEO Zhang Yuanji has resigned from Beijing ESWIN Technology Group Co., Ltd. Before his resignation, Zhang Yu...[Details]
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Let’s look at an example:
1testMMU.c code:
2testMMU.c code:
The effect of running the two codes at the same time is as follows:
It can be seen that two program...[Details]
Industrial Control Electronics
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