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On March 17, Jingwang Electronics released its 2019 annual report. During the reporting period, the company achieved revenue of 6.332 billion yuan, a year-on-year increase of 27.01%; the net profit a...[Details]
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The "war" between Internet companies and car companies is entering a new stage with the "self-awakening" of car companies. At the Shanghai Auto Show, Alibaba announced that it is developing connect...[Details]
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Preface
When the industrial control system is running, it will usually encounter various on-site interferences. Anti-interference ability is an important indicator to measure the performance of the...[Details]
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Recently, Orbbec, the industry-leading 3D vision perception overall technology solution provider, announced its entry into the Horizon Hobot Platform. The two parties jointly launched 3D vision app...[Details]
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Recently, two companies that were established just one month apart announced the establishment of a joint R&D center. One is a new strength car company, and the other is a new force entering smart ca...[Details]
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Core Tip : The thin design of smartphones makes the touch panel controller susceptible to noise interference from the display. To solve this problem, touch chip developers have begun to improve the t...[Details]
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According to foreign media frontpagetech, Apple requires some employees to wear police-grade body cameras, similar to law enforcement recorders, to prevent employees from leaking information. ...[Details]
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There are many ECU nodes inside the car. When one of the nodes fails and enters the bus shutdown state, it will greatly affect the communication of the vehicle CAN network. For example, when a car c...[Details]
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CNY17
Optocoupler.
+---+--+---+
A |1 +--+ 6| B
K |2 CNY17 5| C
|3 4| E
+----------+
HDSP-L101, HDSP-L201, HDSP-5401, TC07-11
Common ro...[Details]
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After the program is run, the system clock is set to: external 6MHz crystal divided by 3, that is, the system clock is 2MHz. In this state, the LED flashes slowly.
Later, the system clock is set to: ...[Details]
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The resistance value of the resistor connected between SENSE+ and SENSE- is used to adjust the size of the charging current. The resistor is 0.4Ω. Therefore, when the battery voltage is less than 3V,...[Details]
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As the basic unit in electronic systems, power semiconductors are indispensable components for the normal operation of power electronic equipment. They are widely used in a wide range of scenarios. W...[Details]
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Reference: 1) "ARM1176 JZF-S Technical Reference Manual": Chapter 3 System Control Coprocessor Chapter 6 Memory Management Unit 2) u-boot source code: u-boot-xxx/cpu/s3c64xx/start.S u-boot-xxx/board/...[Details]
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The CAN bus design specification has strict regulations on the differential level signal characteristics of CAN nodes. If the differential level signal characteristics of the nodes do not meet the spe...[Details]
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Basic concepts:
Memory:
SRAM static memory features: small capacity, high price, advantages: no software initialization required, can be used as soon as power is turned on.
DRAM dyna...[Details]
DSP and ARM Processors
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