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DCM discontinuous mode : a triangular wave in which the current starts to rise from zero. CCM continuous mode : a side trapezoidal wave in which the current rises from a non-zero value. DCM mode ...[Details]
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In most DC-DC converters, the normal supply currents do not allow high efficiency at low load currents. The circuit in Figure 1, however, contains micropower components that enable it to maintain 90% ...[Details]
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Renesas Electronics Corporation, a global supplier of advanced semiconductor solutions, announced that it has completed the integration of Integrated Device Technology, Inc. (formerly "IDT"), which i...[Details]
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Currently, IDC, a well-known third-party market research organization, has released a report on China's wearable device market in the third quarter, which shows that the shipment volume of China's we...[Details]
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vivo released the X60 series of mobile phones at the end of 2020 and the beginning of 2021. The X60 and X60 Pro are equipped with Samsung Exynos 1080 chips, while the X60 Pro+ is equipped with...[Details]
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On December 30, 2022, Linyuan Group and Mayang County People's Government held a signing ceremony for the Mayang County 100MW/400MWh Energy Storage Power Station Project. The leaders attending the ...[Details]
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After the Huawei incident, it is a common phenomenon in all walks of life in China to talk about chips. The root cause of this anxiety about chips is the long-term backwardness of China's semiconduct...[Details]
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1 Introduction
Touch screens are increasingly being used in embedded systems. The design methods for touch screens vary in different application fields. Generally, there are three types: (1) U...[Details]
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100dB dynamic range logarithmic generator
The circuit has a 100dB dynamic range, which is equivalent to a 50-fold change in input voltage. ...[Details]
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According to news on the afternoon of December 16, the annual ceremony of the "2022 Science and Technology Ranking" was held today. The theme of this year's event is "Integrity, Innovation, Science a...[Details]
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China's Ministry of Industry and Information Technology has finally announced the precise battery capacity and memory of the three new iPhone 11 series models. This battery and memory information is ...[Details]
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Mil can run Android, Linux, RTOS domestic core board development board
Do you still remember the days of chip shortages and price increases? In recent years, due to trade wars and te...[Details]
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As shown in the figure, the author soldered a STM32F207VET6 board using a TQFP (32-100PIN) 0.55MM to direct plug adapter board. The board leads out the SWD debug interface (only PA13 and PA14 are occ...[Details]
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The main reasons for EEPROM data corruption are:
1. Abnormal power supply causes EEPROM data to be completely lost;
2. Improper reset and software failure may cause EEPROM data to be rewritten...[Details]
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pc：Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]
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