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In the ARM instruction set, LDR is usually used as a load instruction, but it can also be used as a pseudo-instruction.
The form of the LDR pseudo-instruction is "LDR Rn,=expr". The following example...[Details]
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Intel said it will continue to support Macs during the transition period. Intel publicly responded to its "breakup" with Apple. Intel and Apple's architecture cooperation on Mac started in 2005, an...[Details]
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1. Background
Lithium-ion batteries are the main power source for electric vehicles. After 5 to 10 years of service, the global cumulative scrapped LIBs are expected to reach 464,000 tons by 2...[Details]
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On September 6, the new product launch conference and partner conference with the theme of "Sungrow Smart Storage, Industrial and Commercial Energy Expert" was successfully held in Hangzhou. Witnes...[Details]
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Huawei Mate20 and Huawei nova 6 pushed the HarmonyOS 2.0.0.209 update last night. The update log of Huawei Mate20 shows that this update service center has added a new scenario-based servic...[Details]
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The stack pointer is mainly used to store temporary data, local variables and the return address of interrupts/self-routines. The stack pointer always points to the top of the stack. Note that the AV...[Details]
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On May 11, Redmi launched the Redmi K30 5G Extreme Edition, priced at 1,999 yuan (6GB+128GB). In addition to the Redmi K30 5G Speed Edition, Redmi will also launch a new 5G phone this mont...[Details]
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When new energy sources are at the forefront of automobile consumption, the battle for power batteries is bloody red on the map. On July 17, Fu Linghui, spokesperson of the National Bureau of Stati...[Details]
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AT89S51 is a low voltage, high performance CMOS 8-bit microprocessor with 4K bytes of flash programmable and erasable read-only memory (FPEROM), commonly known as a single-chip microcomputer. ...[Details]
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introduce
Permanent magnet synchronous motors (PMSMs) offer high torque/current ratios, high power/weight ratios, high efficiency, and robustness. Based on these advantages, PMSMs are widely u...[Details]
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We usually use Busybox to build the necessary applications for the root file system. Busybox determines what operation to perform based on the parameters passed in. When the init process starts, it...[Details]
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0 Preface
With the application and popularization of computer technology and modern electronic measurement technology in the field of instruments, especially the emergence of computer interfaces ...[Details]
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According to Marklines statistics, the total sales of electric vehicles in the world in 2020 was 2.8924 million, up 45% year-on-year. As electric vehicles are rapidly becoming popular, battery life a...[Details]
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1
Introduction
According to statistics, among the three parts of transmission lines, high-voltage distribution networks, and low-voltage users, the line loss of low-voltage users is ...[Details]
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In order to meet the requirements of high-brightness LEDs for high reliability, small size, high luminous efficiency, low power consumption and low cost, the industry has now developed a PSR con...[Details]
Microcontroller MCU
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