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The memory structure of the AT89S52 microcontroller is divided into four parts: on-chip program memory, off-chip program memory, on-chip data memory, and off-chip data memory.
1. Program memory
...[Details]
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According to a report from Tsinghua University Shenzhen International Graduate School, Associate Professor Ding Wenbo's Smart Sensing and Robotics (SSR) research group at Tsinghua University
an...[Details]
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Mixed-signal oscilloscopes, or MSO for short, are named after the original HP (now Agilent) when it launched the 54645D in 1996. At that time, mixed-signal MCUs were emerging, and HP saw this opp...[Details]
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Maxim's
MAX7219
chip is used for dynamic scanning display driver. The chip has 8x8 static RAM, dynamic scanning circuit, and segment and bit drivers that can store display information. It is co...[Details]
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The importance of a car's starting battery cannot be ignored. It is mainly used to provide the required electrical energy when the engine is started to ensure the normal operation of the vehicle. Bel...[Details]
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Last June, UMC announced that it would spend tens of billions of yen to purchase all the shares of Mie Fujitsu Semiconductor Co., Ltd. (MIFS), a 12-inch wafer fab jointly owned by UMC and Fujitsu Sem...[Details]
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In 2019, the Chinese air-conditioning market experienced a market trough after three consecutive years of high growth. Faced with the market winter, Chinese air-conditioning companies have been explo...[Details]
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The concentration of the power lithium battery market has increased, and giant companies are sharing the dividends. In 2016, the power lithium battery shipments of the top two domestic companies ac...[Details]
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While
the
electric vehicle
(EV) industry continues to grow, the supporting charging infrastructure is still immature. For automakers to realize their vision of more consumer adoption of EVs,...[Details]
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Consumers who buy electric cars are most concerned about battery life, because in the past news, we often see that the range of electric cars is greatly reduced after 3-5 years of use. After yea...[Details]
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Transient co-conduction in three-phase sinusoidal inverters is often an overlooked issue because the transient process is difficult to capture.
Taking the half-bridge converter as an example, its...[Details]
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1 Simple switching power supply
The simplified switching power supply circuit composed of TEA1520 series is shown in Figure 1.
Figure 1 Circuit of a simple switching p...[Details]
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Saudi Basic Industries Corporation (SABIC) today released its second quarter 2022 financial report. The company's total sales in the second quarter reached 55.98 billion riyals (US$14.93 billion), an...[Details]
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Conclusion
Securing the entire vehicle is not an easy task. Domain separation is a core concept. The threat model for self-driving cars is...[Details]
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Fast charging opportunities
Fast charging station customers require chargers that are small, rugged, reliable, and efficient, while providing a charge time of less than 30 minutes. Typical 3 t...[Details]
Power technology
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