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On January 11, Chen Jin, general manager of Lenovo Group's mobile phone business unit in China, announced that Motorola's new flagship is coming soon, equipped with Qualcomm Snapdragon 8 series...[Details]
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The first batch of 25 companies on the Science and Technology Innovation Board held a listing ceremony. Among these companies, two companies related to industrial inspection are Tianjue Technology an...[Details]
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ifndef _SKEY_H_
#define _SKEY_H_
#define uchar unsigned char
#define uint unsigned int
#define SKEY_FR RA0
#define SKEY_AC RA1
#define SKEY_RDEF RA3
#define BT_FR 0X0F //REC key value
#de...[Details]
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Exception handling on ARM
This part is difficult to understand.
When an abnormal interrupt occurs, the system will jump to the corresponding abnormal interrupt handler after executing the curre...[Details]
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1. As shown in Figure 4.3.1, P1.0-P1.3 of the AT89S51 microcontroller are connected to four light-emitting diodes L1-L4, and P1.4-P1.7 are connected to four switches K1-K4. Program the switch status ...[Details]
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1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
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Multinational corporate organizations are seeing an increase in the number of uncertainties and emergencies that have the potential to have a disruptive impact on their businesses. The 2024 Gartner B...[Details]
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In 1997, Intel established a chip testing and packaging plant in Costa Rica, which enabled Costa Rica to truly join the global supply chain system and promoted the development of the entire country. ...[Details]
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One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
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On the evening of October 12, the Shenzhen Stock Exchange officially accepted the GEM IPO application of Zhejiang Hengwei Battery Co., Ltd. (referred to as "Hengwei Battery"). It is reported that H...[Details]
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According to relevant information, Meituan recently established Chengdu Haiqi Technology Co., Ltd., with Sun Keqing as the legal representative and a registered capital of RMB 100,000. The company'...[Details]
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With the development of modern science and technology, the power system is gradually developing towards comprehensive automation and unmanned power stations. The DC power supply monitoring sys...[Details]
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By John Cummings Texas Instruments Today, methods to protect electronic products from circuit faults and manage power-on surge currents have evolved from simple fuses and uncertain P-channel FETs to ...[Details]
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The industry's call for zero-defect semiconductor components is growing, and semiconductor manufacturers are beginning to invest more to meet the challenge and meet the needs of automotive users. As t...[Details]
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On January 25, Jiangfeng Electronics released its 2020 annual performance forecast. The company's net profit attributable to shareholders of listed companies was 135 million yuan to 154 million yuan,...[Details]