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The information here applies to: C51 all versions Symptoms I added an interrupt handler (ISR) to my project, but I got the following warning: ***WARNING L15: MULTIPLE CALL TO SEGMENT SEGMENT...[Details]
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1. Introduction: In the ARM architecture, the CPU is not allowed to directly access memory units. In order to solve the need to access memory units, registers are used as relays. The memo...[Details]
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According to the Spanish newspaper El Economista, chips are becoming the "new oil", a scarce resource that is controlled by a few countries and regions (all in Asia). The global shortage of semicondu...[Details]
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Spectrum analyzer: mainly tests the signal spectrum and provides frequency and power information. High-end spectrum analyzers can also perform signal demodulation and analysis functions. Oscillosco...[Details]
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With the promotion of energy-saving technology and automation technology, the capacity and quantity of power electronic devices such as frequency conversion equipment and current conversion equipment...[Details]
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Through Baidu search, 315/433Mhz wireless transmission uses ASK (amplitude modulation) transmission. Generally, modules are sold on Taobao. A pair costs about 10 yuan, or even cheaper. It is also very...[Details]
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1. Large LCD Chinese display
The dielectric loss tester is equipped with a large screen Chinese menu interface. The screen display is divided into two parts, the left side is the function menu a...[Details]
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1. SWI software interrupt principle. In privileged mode, processor mode switching can be switched through software control, that is, modifying the mode bit of CPSR. However, in user mode, there is ...[Details]
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A foreign research company released a report showing that the booming European energy storage market will attract many Asian battery manufacturers. Many industry insiders in Asia expect to take adv...[Details]
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Generally speaking, programmable interface chips have memory and address lines. Programmable means that the CPU uses instructions to write certain data into a certain memory of the interface chip. ...[Details]
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Large screen is obviously the most mainstream trend at the moment. As the trend of automobile intelligence intensifies, consumers' expectations for cars are becoming more and more diverse. They not...[Details]
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According to a news release from Ningbo Hangzhou Bay New Area, Ningbo Aola Semiconductor Co., Ltd. has successfully developed the country's first dedicated non-magnetic sensor chip AU2001, which solv...[Details]
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(1) Interruption process
Interrupt processing is used to achieve a quick response to special internal or external events. When the CPU detects an interrupt request, it immediately responds to ...[Details]
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1 Introduction
As a kind of traction machinery, the motor is widely used in all aspects of the national economy because of its advantages such as simple structure, low price, easy use and main...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]
RF/Wirelessly
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