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Recently, Shanghai Xianji Semiconductor Technology Co., Ltd. (hereinafter referred to as "Xianji Semiconductor"), a domestic high-performance RISC-V architecture MCU chip manufacturer, and Shenzhen...[Details]
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In C51 MCU programming, the functions of the header file INTRINS.H are as follows:
(1) _crol_ character circular shift left
Shift the char type variable to the left (right) by the specifi...[Details]
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This article introduces the characteristics and working principle of the AT88SC1604 logic encryption card, which is currently widely used. It also gives an application example and program for opera...[Details]
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Bluetooth devices operate in the ISM band, usually on 79 channels between 2.402GHz and 2.48GHz. It uses a digital frequency modulation technique called 0.5BT Gaussian Frequency Shift Keying (GFSK) to ...[Details]
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8-bit MCU implements double-byte division subroutine
51 single-chip microcomputer is only 8-bit, but sometimes it is necessary to implement double-byte di...[Details]
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On May 16, Xiaomi's super-large cup imaging flagship Xiaomi 12 Ultra protective case was put on sale in third-party stores for 68 yuan. The protective case shows that there is a huge Oreo lens o...[Details]
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In recent years, supply chain security has become one of the hottest topics in the integrated circuit industry. Among many links, EDA, equipment and materials are the three strategic foundation pilla...[Details]
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This blog post explains how to learn C language using Atmel Studio. To learn C language programming, we can choose from many development environments, such as TC, VC or Eclipse, etc. If you want ...[Details]
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Explain the clock system based on this picture 1. STM32 has 5 clock sources: HSI, HSE, LSI, LSE, PLL. ①. HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz and low precis...[Details]
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1 、The PC0 and PC1 pins of STM8 only have OD open-drain output and no PP output, as shown in the following figure: If you want to use PC0 and PC1 to output high level, you need to pull them up dur...[Details]
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I finally had time to update recently. I spent a few days to make a little thing. Although there are many ways to implement it circulating on the Internet, I have never tried it. While I have time, I...[Details]
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The strace tool is a very powerful tool and a good tool for debugging programs. To port to the arm platform, you need to use a cross-compilation tool to compile and generate a statically linked execut...[Details]
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1. Introduction Surge protection device (SPD) is an indispensable device for suppressing the impulse voltage generated by lightning, electrical system operation or static electricity, and protecting...[Details]
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Passive infrared detectors are one of the most commonly used devices in intrusion alarm systems. Since its introduction, the technology used has been continuously developing, and each technology targ...[Details]
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Electronic camera systems have been widely used in military and civilian mapping systems, but the effect is affected by the change of posture or vibration of the carrier at different times. When th...[Details]
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