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Linux does not have the concept of IO ports in ARM. When registers and memory are located in the memory space, they are called IO memory.
Here are the steps in brief:
1. Application
2. Mapping
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We have discussed the reset issue before. In fact, the execution process of the four resets is not the same. After the external reset, the processor first determines the state of P2.10 to determine w...[Details]
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ARM programming model Hardware: Schematic Software: Architecture, Instruction Set, Register Set 【ARM programming technology】 Assembly/C language compiling, linking, burning and debugging window...[Details]
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Based on CMOS image sensors, this paper focuses on the study of stable and efficient control systems for image signal processing chips, as well as high-quality key image processing technologie...[Details]
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/* This program can read the root directory of a FAT16 file system USB flash drive with 180 lines of C code. You can see the file name under the root directory and display the content of the first fi...[Details]
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Here we are talking about simulated IIC, not hardware IIC. Why use software simulated IIC instead of hardware IIC? In addition to the problems of ST's IIC module itself, it is also because hardware I...[Details]
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With the development of China's economy and the progress of science and technology, the application of AC variable frequency speed regulation is becoming more and more extensive. Among various spee...[Details]
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What is a Total Station Total station, also known as total station electronic distance meter (Electronic Total Station), is a high-tech measuring instrument integrating optics, machinery and elec...[Details]
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In a single-chip microcomputer system, the program is usually stored in flash, and the data that is not easy to lose is usually stored in EEROM (such as the AT24C02, AT24C256 that we often use). It i...[Details]
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On December 12, according to the South Korean "Asia Daily" Weibo, following LG Electronics and Hyundai Motor, Samsung Electronics has also begun to catch up with the development of the robotics field...[Details]
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October is the month with the most press conferences in a year. Apple and Huawei, which are expected by everyone, will release their own mobile phones. As Double Eleven approaches, other manufacturer...[Details]
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本文针对传统变流接触器分合阐过程中产生的电弧对触头侵蚀的问题,提出了智能无弧交流接触器全新的控制方法。该接触器以传统交流接触器为主体,实现三相电路的灵活控制,在主电路中每相触头并联一个单向晶闸管,以此来实现接触器在吸合和分断过程中的无弧控制,大大提高了接触器电寿命。并且将智能结构的理念带入了传统交流接触器中,采用ATMEGA16单片机作为控制核心,使智能无弧交流接触器集数据采集,故障诊断与一体,...[Details]
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What is a smart meter
The continuous development of microelectronics and computer technology has caused a fundamental change in the structure of instruments. With microcomputers (sin...[Details]
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日前,联动天翼“LINK FOR SPEED”2021新产品发布会在上海中心硬核登场,会议现场发布亮相了目前代表联动天翼最高端技术的SPEED系列快充动力电池,联动天翼董事长阎紫电先生、首席研发官杨斯涛博士、首席产品官蒋濛博士、首席战略官刘冠伟博士等核心研发及产品团队、新能源车厂、各大主流媒体、投资人共同出席了本次盛会。
For this debut, the Liandong T...[Details]
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The entire construction team of the Rongke Energy Storage Equipment Manufacturing Project is working hard to seize the critical window period and sprint to the fourth quarter, laying a solid foundatio...[Details]