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Note: In Ubuntu, use the "U-to-serial" module to connect to the UART0 of the LPC17XX development board and upgrade the LPC program through ISP. Brief description of ISP commands and upgrade process...[Details]
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Preface
When an 18 GHz test cable is used in a 40 GHz microwave test system, the system is unbalanced. If a minor fault occurs in the test cable and the tester has not noticed it, we can assume tha...[Details]
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environment
Hardware: S3C2440 (ARM920T)
Embedded operating system: Linux 2.6.24 kernel
File system: Yaffs2 file system
Server: SuSe10.0 Linux server
Step 1: Kernel Configuration
You nee...[Details]
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The code was debugged under the crystal oscillator of 12M, I hope it can bring reference value to everyone #include reg51.h //51 chip pin definition header file #include intrins.h //Internally incl...[Details]
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The function of lr (r14). Generally speaking, lr has two functions:
1. When using bl or blx to jump to a subroutine, r14 saves the return address, which can be restored at the end of the calling proc...[Details]
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Functions in PICC do not support recursive calls due to stack resources. 1. Functions with return values 2. Functions without return values In PICC, we directly use the register names and bit n...[Details]
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This article provides some information about the online ARM emulator and the benefits it brings to you as an embedded system designer. Based on your needs, you will make a more appropriate choice o...[Details]
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Polarization is an important characteristic for a successful antenna design. For space applications, circular polarization (CP), such as right-hand circular polarization (RHCP) or left-hand circula...[Details]
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Makefile file writing all: arm-linux-gcc -c -o led_on.o led_on.s arm-linux-ld -Ttext 0 led_on.o -o led_on.elf //arm-linux-ld is used to link multiple target files and library files into exe...[Details]
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According to the Wall Street Journal website on October 15, a new wave is coming - and in a world short of labor, business leaders are welcoming them more eagerly than ever.
According to repor...[Details]
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On the evening of January 22, Jingjia Micro-Electric issued an announcement stating that the company's wholly-owned subsidiary Changsha Jingmei Integrated Circuit Design Co., Ltd. (hereinafter referr...[Details]
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Where there are people, there are rivers and lakes. In the rivers and lakes of mobile phone input methods, there are also two factions. One is the nine-square grid input method, and the other i...[Details]
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Apple launched the third-generation iPhone SE this week, bringing upgrades including the A15 chip, 5G support, longer battery life, camera upgrades, and more durable glass. Although Apple officials d...[Details]
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During the development and testing of drive systems for electric vehicles, developers need to measure high-frequency currents and voltages in the vehicle's high-voltage electrical system. Due to the ...[Details]
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What are the functions of the Internet of Vehicles?
The Internet of Vehicles refers to the connection between vehicles and the Internet, which uses intelligent technologies and equipment to co...[Details]
ST - Low Power RF
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