I am learning about DM642. I have a question: DM642 has only 20 bits for address. For example, CE1 has 256MB space. How can a 20-bit address access such a wide space? 256MB requires 28 bits of address...
[color=#424242][font=微软雅黑, 宋体, Arial, Helvetica, sans-serif][size=14px] [/size][/font][/color][color=#424242][font=微软雅黑, 宋体, Arial, Helvetica, sans-serif][size=18px]The special metal films used in the...
I have been using the DSP2812 development board before, and I want to use some minimum systems later, but companies like Hezhongda and Wenting don't make minimum systems. I would like to ask you to re...
Haha, I finally received the TFT adapter board and the MP3 PCB. I'll take some more photos when I get home tonight and show them off...[[i]This post was last edited by zhaojun_xf on 2010-9-3 18:37[/i]...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]