Is there a problem with selecting DEC for the mpc8280 system clock? The DEC interrupt priority is very low, not as high as the external interrupt. Can it be set?...
[i=s]This post was last edited by johnrey on 2015-7-15 21:56[/i] [color=#000][font=Tahoma,]Preconditions: 1. Systick is part of arm0+ core 2. In sleep mode, arm0+ core is down 3. __WFI will enter at l...
Showing my ugly electronic load:) 1. Front view2. Back view: The heat sink has no insulation, so I cut it with an ABS machine, and the four corners are just right: lol3. Top view. This old case is ver...
The code in the picture below is to make P1.2 and P1.6 output PWM waveforms, but I don't understand the words in the red circle in the picture. Does it mean that P1.2 and P1.6 both output PWM with a d...
This machine is used for static elimination on plastic printing machines. It is made in Taiwan. The control board and thyristor are broken. The IC, thyristor and diode have all been polished. I have n...
Why does the desired pulse wave not appear when differentiating a square wave? Is it possible to use a differential circuit to measure the rising edge time of a square wave?...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
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]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
NXP MCU
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