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The execution process of network card dm9000 (u-boot version: u-boot-1.1.6): There is eth_initialize(gd- bd) in board.c; The implementation of eth_initialize is in eth.c, but there is no initializati...[Details]
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1. Special Function Register SFIOR
ADTS2 ADTS1 ADTS0 --- ACME PUD PSR2 PSR10
Bit 2——PUD is the pull-up resistor disable bit
When set, the pull-up resistors of the I/O ports wi...[Details]
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Just as we have become accustomed to scanning code payment, more and more offline face-scanning payment devices are quietly changing our payment habits. Compared with scanning code payment, although ...[Details]
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1. Input-output voltage difference
The input-output voltage difference is the most important parameter of a low-dropout linear regulator. Under the premise of ensuring the stability of the out...[Details]
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China's leading navigation provider integrates its mobile navigation technology into the QNX CAR application platform
Shanghai, August 26, 2013 – QNX Software Systems Ltd., a global leader in...[Details]
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The serial port is the basis of many experiments and can be used as a verification for other experiments. When doing the LPC1114 UART experiment, the routines found only had a sending function,...[Details]
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The baud rate of the serial port configuration 2400/9600/57600/115200 is abnormal When using 16M clock, 2400 and 115200 are abnormal and garbled, but the frequency in between is good; modify the cl...[Details]
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The global energy sector is accelerating its transition from fossil fuels to a zero-carbon energy model. However, it is difficult for the power grid to keep up with the speed of energy transformati...[Details]
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1 Introduction
The traditional internal combustion engine bench test has a single function, low test efficiency, and lacks a unified data processing system during the test process. Equipment produ...[Details]
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Oscilloscopes are like the eyes of electronic engineers and play a vital role in their work. As the leader among domestic oscilloscopes, Puyuan oscilloscopes are favored by more and more customers. H...[Details]
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I saw several posts discussing which microcontroller is the best. I feel that choosing a suitable microcontroller is sometimes not easy, and there are too many aspects to consider. I can only say that...[Details]
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Advantages and solutions of interleaved PFC
The main idea of interleaved
PFC
is to place two smaller PFCs with half the power in parallel where a single larger PFC would have ...[Details]
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After the US government included Huawei in the "Entity List", American suppliers began to stop supplying Huawei one after another; now, Google has also followed the order and terminated some of its b...[Details]
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As the information in the car grows exponentially, there are more and more car-related interfaces. Therefore, people use various screens for operation and feedback, which has become a mainstream in...[Details]
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Following Samsung Galaxy Fold and Huawei Mate X, Google also brought its folding screen patent. Google LLC applied for this patent to WIPO (World Intellectual Property Office) at the end of 2...[Details]
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