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#include __CONFIG(0x3B31); #defineA0RB0 #defineA1RB1 #define CSR B2 #defineLERD0 #defineWRRD6 #defineRDRD7 const unsigned chartab[]={0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90, 0x...[Details]
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The demands on power supply designers are becoming higher and higher, and they are under tremendous pressure to improve efficiency, reduce costs, and shorten product development cycles. Power sup...[Details]
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1. Interrupts are divided into two categories: internal interrupts and external interrupts.
2. External interrupts. 24 external interrupts occupy GPF0-GPF7 (EINT0-EINT7), GPG0-GPG15 (EINT8-EINT23). I...[Details]
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1. Hardware Principle ARM has 7 working modes, except for user mode, the others are called exception modes. Each exception mode has its own registers, such as SP stack pointer, LR link pointer, prog...[Details]
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Recently, the group standards "Technical Specifications for Multi-stage Cooling Systems of Energy Storage Power Stations" and "Technical Specifications for Integrated Cooling Systems of Energy Stor...[Details]
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Fiat Chrysler Automobiles NV plans to work with contract manufacturing giant Foxconn to develop electric vehicles as it seeks to gain a foothold in the battery-powered car market, according to its la...[Details]
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Harvesting the sun's energy directly from space could provide a cost-effective way to meet the world's electricity needs for the next 30 years, with government funding, according to a study by an i...[Details]
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1 Create a new project Click the Project - New µVision Project... menu item 2 Select CPU Here we choose Samsung's 2440A. After clicking OK, you will be prompted whether to add the CPU startup c...[Details]
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There have been reports that after Apple launches the iPhone 13 mini, related models will be completely abandoned in the future. However, fans of small screens don’t have to feel too bad, after all, ...[Details]
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The growing number of real-time control applications is creating a dilemma for designers. These applications require the ease of use and fast response to interrupts of a microcontroller (MCU) with...[Details]
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To protect circuits and personnel, electric vehicle/hybrid vehicle (EV/HEV) on-board chargers have stricter requirements on safety capacitors. By: Dr. Florian Weyland, Wolfgang Rettlinger and Thoma...[Details]
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Connector products are everywhere in our lives, such as common sockets in homes, laptop charging plugs, or USB cables for smartphones. In addition, connectors are also essential devices in many indus...[Details]
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summary:
The volt-second capacity indicates how high the input
voltage
and how long the impact of a switching transformer can withstand. Under the condition of a certain vol...[Details]
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Field Effect Transistor (FET) is abbreviated as field effect tube. General transistors are conducted by two polarity carriers, namely majority carriers and minority carriers of opposite polarity, ...[Details]
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To jump from assembly to C you must use an absolute jump:
Project code:
Add main.o to Makefile:
Start.S:
Make compile:
Main.c code:
#...[Details]