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1 ARM processor analysis ARM9 and ARM11 are Harvard structures with 5-stage pipeline structures, so their performance is a bit higher. ARM9 and ARM11 mostly have memory managers, which are better for...[Details]
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As mentioned in 1.2.2, the starting point for the transfer of high-frequency and microwave power values is the continuous wave low-power power standard. Other values, whether medium or high power s...[Details]
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Inertial sensors, accelerometers and angular rate gyroscopes, serve as the "inner ears" of cars, and for years have performed some basic, low-performance tasks in applications such as automotive ai...[Details]
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Today, Redmi announced that the K50 series supports OIS optical image stabilization. Lu Weibing, President of Xiaomi Group China and General Manager of Redmi Brand, pointed out that this is ...[Details]
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Commonly used serial expansion buses include: I2C bus, SPI bus, single bus, Microwire/PLUS. I2C Serial Bus Overview The I2C serial bus is a high-performance serial bus that has the bus arbitratio...[Details]
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Abstract: In order to realize wireless communication and networking between sensor nodes, a network system that integrates various multi-bus devices for wireless temperature and humidity measuremen...[Details]
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Introduction
Heart rate is an important feedback signal in the fitness system. It reflects people's physical condition during exercise and plays an important role in monitoring the human life syste...[Details]
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Despite being ridiculed by many peers, the fact that the new iPhone 12 series and the old iPhones sold on the official website are not equipped with EarPods headphones and chargers has been settled. ...[Details]
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1. Requirements of the third generation mobile communication technology for chips
Mobile communications have developed rapidly in recent years. Since the advent of analog cellular systems in t...[Details]
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1. ARM instruction set 1. Jump instructions: B, BL (with return), BLX, BX (with status) 2. Data transfer: MOV (general register area), MVN (bitwise negation), CMP (comparison result stored in CPS...[Details]
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This article summarizes the lessons learned from working with RAID memory. The following introduces two small technologies used in HP's hot-swap technology, namely scrubbing technology and hot-plug ca...[Details]
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There are two ways to boot JZ2440, one is to boot from NOR FLASH, and the other is to boot from NAND FLASH. If booted from NOR FLASH, the CPU will access address 0 of NOR FLASH, and address 0 i...[Details]
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The STM8 series of microcontrollers, an 8-bit microcontroller platform based on a high-performance 8-bit core and advanced peripheral set, occupies a pivotal market position in the 8-bit MCU industry...[Details]
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Today, the term "network analyzer" is used to describe tools used for various "networks" (Figure 1). For example, most people today have a cellular or mobile phone that runs on a 3G or 4G "network." ...[Details]
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In China's automobile industry, the Shanghai Auto Show, Beijing Auto Show, Guangzhou Auto Show and Chengdu Auto Show are the four top auto shows in the country, and are important stages for major a...[Details]