Use FPGA to capture the rising and falling edges of an external signal, and use modelsim to simulate. The result is always as shown in the figure. The capture object is fsmc_cs, pos_cs and neg_cs are ...
I have been using 240 and 2407, and recently started using 2812. I encountered a strange problem, that is, I feel that the input impedance of the 2812 port is very low. No matter what signal, after be...
When a signal is transmitted on a transmission line, if it encounters impedance discontinuity, signal reflection will occur. I want to know how the signal is reflected and why reflection occurs when t...
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"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
ZTE was punished, and Hou Weigui, who had already retired, had to come out of retirement again and run around to mediate. Let's follow the embedded editor to learn about the relevant content.
...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
Summary of STM32 peripheral DMA usage: 1. Select DAM mode according to your needs: (1) Circular mode—DMA_Mode = DMA_Mode_Circular (2) Normal mode—DMA_Mode = DMA_Mode_Normal 2. For Chanel3 of DMA1, t...[Details]
About a dozen years ago,
AMD
was also a rival to Intel. It can be said that the two microprocessor manufacturers have been in love and hate for many years, which is completely a commercial ...[Details]
Today, the country attaches great importance to the Internet of Things, and the Internet of Everything has become the vision of all people in related industries. However, at the same time, masterin...[Details]
As one of the four major Chinese cool alliances, ZTE Mobile undoubtedly has a relatively deep foundation. However, this mobile phone brand has gradually declined in recent years. Now it is hoping t...[Details]
On May 7, 2013, Jia Yueting, wearing a black T-shirt, announced the official launch of
LeTV
TV Super TV, which set the entire color TV industry on fire and forced traditional manufacturers ...[Details]
Multi-byte binary division The dividend is 3 bytes, in units 0x20, 0x21, and 0x22, 0x22.7 is the most significant bit and 0x20.0 is the least significant bit. The divisor is 2 bytes, in 0x30, 0x31. A...[Details]
Today, Qualcomm Technologies, Inc., a subsidiary of Qualcomm, announced at the 2018 Qualcomm China Technology and Cooperation Summit that it has signed memorandums of understanding (MoUs) with Leno...[Details]
On June 25 this year, in Guangzhou, at an energy forum held by British oil giant BP Group, Zhao Daiqing, a researcher at the Guangzhou Institute of Energy Conservation of the Chinese Academy of Sci...[Details]
The transformation from traditional factories to smart factories will inevitably become the biggest "wave" in the future world manufacturing industry. How can traditional factories quickly achieve th...[Details]
1. Key points of timer/counter PWM design
According to the characteristics of PWM, the following points should be noted when using the ATmega128 timer/counter to design output PWM:
1. F...[Details]
/*Write Chinese character LCD program The LCD screen is divided into 4 rows and 12 columns of Chinese characters, all using analog interface mode. /* CKW19264A interface program (analog mode) ;******...[Details]
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