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With the rapid development of electronic technology, modern electronic
measurement
devices often require negative power supplies to power their internal
integrated circuit
chips and...[Details]
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Tai Nengling, Professor and Director of the Department of Electrical Engineering at Shanghai Jiao Tong University
The ubiquitous power Internet of Things not only focuses on the traditional po...[Details]
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0. Types of ARM abnormal interrupts ARM supports 7 types of exception interrupts, including reset, undefined instruction exception, soft interrupt exception, prefetch instruction abort, data abort, I...[Details]
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Earlier this year, TowerJazz Semiconductor officially launched a new brand and changed its name to Tower Semiconductor (hereinafter referred to as TowerSemi). The company said that the launch of the ...[Details]
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Recently, AMEC
Semiconductor
(Shenzhen) Co.
, Ltd.
(hereinafter referred to as AMEC, stock code: 688380) announced the launch of the BAT32A series automotive-grade SoC
chip
...[Details]
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1. S3C2440 memory map
From the S3C2440 User Manual, we know that S3C2440 can be booted from nand flash or not. As shown below:
2. Startup method selection
1. S3C2440 take...[Details]
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Figure 9 shows the organization of the ATmega32 SRAM space. The first 2144 bytes of data memory include the register file, I/O memory, and internal data SRAM. The first 96 addresses are for the reg...[Details]
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LED backlight
is basically the same
as
CCFL
backlight in structure, the main difference is that
LED
is a point light source, while CCFL is a line light source. From a long-term perspect...[Details]
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SRCPND is the interrupt source pin register. A bit set to 1 indicates that the corresponding interrupt is triggered. But we know that the system can trigger several interrupts at the same time. As lo...[Details]
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On March 4, the Standing Committee of the Political Bureau of the CPC Central Committee held a meeting, emphasizing the need to accelerate the construction of major projects and infrastructure that...[Details]
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This morning, Apple discovered a patent application from Apple in the European Patent Office database. Apple acquired Beddit back in 2017, and the recent patent from Tueo Health is based on Beddit's ...[Details]
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Since May 1, 2011, the Criminal Law Amendment (VIII) and the revised Road Traffic Safety Law have been officially implemented, and drunk driving will be subject to criminal liability. With the actual ...[Details]
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1. Main technical difficulties
① There are tens of thousands of pixels on a large LED display. As the display area increases, the circuit structure becomes more complex.
② In order to ens...[Details]
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During power-on measurement, since the current loop or voltage loop of the power meter will produce voltage drop or shunt power, it will bring a certain error Δp to the measured value, making the m...[Details]
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With the rapid development of new energy vehicles and autonomous driving, many EMI problems have occurred in the application of automotive power chips:
First, autonomous driving and smart cock...[Details]
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