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This example is based on S3C2440, WINCE5.0
1. Interrupts are divided into two categories: internal interrupts and external interrupts.
External interrupt: An interrupt caused by an extern...[Details]
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1. Introduction
According to the process requirements, the continuous rolling production line of the small bar mill adopts frequency converter speed regulation for most of the AC auxiliary...[Details]
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Google may have teased its new Nest smart speaker back in July, but a new leak gives us a better look at what the unusually shaped product will look like, as well as the new Google Chromecast that wi...[Details]
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China Energy Storage Network News:
Sharing substation space resources with Internet companies to build data center stations and provide them with edge computing services; carrying out integra...[Details]
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Since the vertical line construction of the intelligent building is complicated, adding equipment later becomes a problem.
Fortunately, there is a video multiplexer. The system topology is as follows...[Details]
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I installed keil uvision4, but when I opened the uvision2 project, I suddenly found that the Chinese comments were all garbled.
When I searched online, it said that there is a Tool.in...[Details]
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introduction
Infrared communication technology is a point-to-point data transmission protocol. It is an alternative technology for connecting cables between traditional devices. It is a short-range w...[Details]
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Recently, Morui Technology, a graphene R&D and production company, completed two rounds of financing, with a total amount of over 100 million yuan. The two rounds of financing were led by Morningside...[Details]
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With the rapid development of microelectronics technology, programmable logic devices have been continuously improved and enhanced in terms of structure, process, integration, function, speed, perform...[Details]
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In this section, we use the Verilog HDL language to program a digital stopwatch with "hundredths of a second, seconds, and minutes" timing functions, which can achieve timing accurate to one hundredth...[Details]
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Research Overview The switching power supply for LED is a single-output AC-DC external power supply powered by the grid power supply and with a rated voltage not exceeding 600V. The environment of ou...[Details]
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The other two signals DDEN and SYSSPEED of ARM9TDMI boundary scan chain 1 are used for:
— DDEN is accessible and testable in ARM9TDMI internal test mode. In ARM9TDMI external test mode, a low level i...[Details]
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Timer/Counter 1 (16-bit) has normal mode, CTC mode, fast PWM mode, phase correction PWM mode and other operating modes. 3. Fast PWM mode (needs to use two pins OC1A and OC1B) Prerequisite: Set th...[Details]
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The simulation schematic diagram of the button-controlled water lamp is as follows (the proteus simulation project file can be downloaded in the attachment of this post) Function: 1. Use 8 small LE...[Details]
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PWM principle
PWM (Pulse Width Modulation) control - Pulse width modulation technology, by modulating the width of a series of pulses, to equivalently obtain the required waveform (includi...[Details]
Analog electronics
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