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The previous lecture introduced and applied the serial port communication of the microcontroller, and gave examples. From this lecture, we will introduce the peripheral circuits of the microcontroll...[Details]
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1. Overview The storage manager is responsible for managing all memory devices of 2440. The address lines of 2440 are ADDR0~ADDR26, which means the maximum execution addressing space is 2^27=128M. T...[Details]
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forth_drv.c driver source code: #include "linux/device.h" #include "linux/interrupt.h" #include "linux/module.h" #include "linux/kernel.h" #include "linux/fs.h" #include "linux/init.h" #include "linu...[Details]
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Library function study notes related functions: void CLK_DeInit(void); void CLK_HSECmd(FunctionalState NewState); void CLK_HSICmd(FunctionalState NewState); void CLK_LSICmd(FunctionalState NewState);...[Details]
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Osaka University and the National Institute of Advanced Industrial Science and Technology in Japan have developed an ultra-small spin torque diode (STD) with extremely high diode sensitivity using s...[Details]
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Recently, the well-known whistleblower Onleaks exposed the renderings of the realme Pad Mini tablet. According to foreign media GSMARENA, the realme Pad Mini uses an 8.7-inch screen, is equ...[Details]
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Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core (magnetic core). In electrical ...[Details]
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This article describes the operational amplifier (op amp) parameters listed in the Electrical Characteristics table of the operational amplifier (op amp) data sheet.
Common-mode input resistanc...[Details]
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"As a startup, we face many challenges. One of them is that our engineering process needs to be highly agile. We have a lot of engineering change orders and rapid product iterations. We need partners...[Details]
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When the master-slave RS trigger is at CP=1, when the input R=S=1, the output state of the master trigger will also be uncertain, thus limiting its practical application. In order to make the logi...[Details]
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The DS18B20 digital temperature sensor is easy to wire and can be used in a variety of occasions after packaging, such as pipeline type, threaded type, magnet adsorption type, stainless steel package...[Details]
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With the popularity of LED and the decline in price, LED has gradually entered the lives of ordinary people. As a consumer, you should be calm and make scientific analysis when choosing LED, and choos...[Details]
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0 Preface With the rapid development of the automobile market and the increasing awareness of security, people have higher and higher requirements for automobile safety technology. However, the exi...[Details]
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As usual, Huawei will release the Mate 40 series flagship in the second half of the year. Before releasing the Mate series flagship, Huawei will first announce the new generation of flagship p...[Details]
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A car inverter is a convenient car power converter that can convert 12V DC power into 220V AC power, the same as the mains power, for use in general electrical appliances.
In terms of ou...[Details]
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