KernelIoControl IOCTL_HAL_REQUEST_SYSINTR method applied for a dynamic interrupt, physical interrupt used timer interrupt 3, logical interrupt returned 30 OEMInterruptHandle judged that timer 3 interr...
NVIC_SETPRIMASK() and NVIC_RESETPRIMASK() in the old library are not available in the new library. What are the replacements for them in the new library?...
In the early 1960s, people developed LED switching power supplies , which gradually replaced linear regulated power supplies and SCR phase-controlled power supplies. In the past few decades, LED switc...
[size=4] This may be helpful for entry-level DSP developers. This article focuses on the comparison between fixed-point DSP and floating-point DSP, and mainly analyzes from three aspects. Thanks to th...
Signals and Systems (Part 1) is a revised version of Signals and Systems (Published by Higher Education Press) published in 1981. The structure of this edition is roughly the same as that of the first...
[i=s] This post was last edited by dontium on 2015-1-23 13:30 [/i] TI recruits people with a master's degree, how can people with a bachelor's degree survive? :)...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
Embedded System
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