1. Introduction
I have been studying ST60 for a while. ST's tour also demonstrated the functions of ST60. I was attracted by this technology. I was very happy to be able to get in touch with it at EEW...
LM25574Q is an Automotive Grade product that is AEC-Q100 grade 1 qualified (40°C to + 125°C operating junction temperature),42V Input Voltage Max, 0.5A Output Current
器件手册:LM25575Q is an Automotive Gr...
I am working on the SPI driver for PXA270. When entering the initialization operation in SPI_Init, dwSpiSysIntr = SYSINTR_NOP; dwHwIntr = IRQ_SSP; hSpiEvent = CreateEvent(null, false, falsE, null); if...
I found that when RS485 is reading data, sometimes a false freeze will occur. At this time, if an interrupt occurs, the program will stop at return ReadFile(g_hDEV, commRead, NumBytes, ref BytesRead, ...
Current Status and Trends of Taiwan's IC Design Industry2001-11-6 1. IntroductionThe separation of IC design and integrated circuit manufacturing began in the 1980s. This interactive business model of...
Why can't I use the emulator? eVC4.0+pB5. My own custom one doesn't work either. It says The specified CE boot image could not be loaded. Your virtual machine may not have enough RAM allocated. Try in...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]