－－－－－－－－－What to do when an ARM exception occurs and when an ARM exception returns－－－－－－－－－－ A: When an exception occurs, the steps performed by the ARM microprocessor are: 1> Store the address of the...
if(flag_1s==1) { tmp=T0count*65536+TH0*256+TL0 } Why is the pulse count for one second tmp=T0count*65536+TH0*256+TL0, not T0count++ for every interrupt?...
[i=s]This post was last edited by yaohongxia0903 on 2019-8-1 22:14[/i]VAS5176 is a 8.5V-24V input, highly integrated switch-type lithium-ion/polymer battery charging chip that regulates 2A charging cu...
When we design a small PLC control system, we often need to change the data inside the PLC externally, such as the value of Counter, Timer or Data, to meet the needs of the production process. And it ...
[i=s] This post was last edited by zzsxx on 2018-2-24 09:39 [/i] The file is in the attachment, there are no pictures in the whole text, and negative comments are not accepted. This error mainly solve...
Reversing radar is now widely used, but there are often certain blind spots in the detection range. Due to the installation position of the radar probe, when the obstacle behind the car is too low, to...
In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
A ventilator is an instrument that can replace or assist a person's respiratory function. It is suitable for artificial respiration of patients with respiratory failure or even respiratory arrest. I...[Details]
The U.S. Food and Drug Administration (FDA) points out that home health care is the fastest growing area in the medical device industry. Driven by the increase in average life expectancy, the increasi...[Details]
Ultrasound systems are among the most sophisticated and complex signal processing instruments in widespread use today. Like any complex instrument, there are many trade-offs to be made in implement...[Details]
Implantable Cardivoerter Defibrillators (ICDs) have been in common use for several years. ICDs apply a high voltage pulse between two electrodes connected to the heart, which detects cardiac fibrillat...[Details]
Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
As microcontrollers become less expensive and more powerful, electrical designers are finding it more cost-effective to use multiple small controllers in both single-board and multi-board systems. ...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Overview
In recent years, the vigorous development of integrated circuits has created a huge space for the research and application of digital circuits. FPGA has low power consumption, high re...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
ARM Technology
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