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Since Cortex-M3 supports bit operations, you can use ordinary load/store instructions to read and write single bits.
Among the bit-banding supported by CM3 , bit-banding is implemented in two re...[Details]
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There are two commonly used methods for measuring gear accuracy. One is the gear meshing test method, which is used to determine the rotary transmission performance of a pair of gear pairs; the other ...[Details]
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The following points should be noted when using the single-phase DC motor speed regulator on site:
1. Please read the product instructions and wiring requirements carefully before installati...[Details]
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The brake light is equivalent to a travel switch, which can be divided into two types: pull type and compression type. When we step on the brake pedal, the lever moves down, the spring inside the b...[Details]
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The Financial Times reported that two people familiar with the matter revealed that the United States intends to stop using nearly 1,000 Chinese drones. The main reason for the suspension is that the...[Details]
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On November 24, Changyang Technology stated on the interactive platform that the company's reflective film uses polyester chips as the main raw material, adopts advanced process formula, and is made ...[Details]
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With the rapid development of electronic energy meter technology, the intelligence and informationization of power grids have become an inevitable trend. Therefore, there is a huge potential market de...[Details]
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1. Burn the file system 1.1 jffs2 programming 1. Download the file system: tftp 30000000 fs_mini_mdev.jffs2 2. Erase blocks of files: nand erase.part rootfs 3. Burn into the file system...[Details]
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I once tested the KEILC compiler by looking at the disassembled code. Here is what I found and I came to some conclusions. (1) Global variables: If a global variable is defined in the program, an...[Details]
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This is the first in a series of files. This series of articles will introduce the eight main file types that you will come into contact with during the ARM Cortex-M development process (taking IAR i...[Details]
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Fifth-generation (5G) wireless infrastructure not only opens the way for new applications, but also greatly improves 4G and previous generations of wireless applications. As 5G network performance im...[Details]
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Multi-rate watt-hour meter is an indispensable switch power module watt-hour meter product under the current policy of saving electricity and planning electricity consumption in my country. The com...[Details]
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1. Consult relevant information and complete the schematic design; 2. Write software so that the system can output square wave, triangle wave, sawtooth wave and trapezoidal wave; the waveform frequen...[Details]
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In the following program, the microcontroller reads the data in the FIFO and sends it out from the serial port.
;************************************
ef bit p3.3 ;fifo empty flag
rst bit p3...[Details]
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1 Introduction
In recent years, with the rapid development of computer network technology, TCP/IP protocol has become the most widely used network interconnection protocol. USB (Universal Serial Bu...[Details]
RF/Wirelessly
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