I seem to have found a solution in the previous post, but unfortunately, this problem occurred again, and the previous method did not work. This time, after clicking Query, the Programmer will crash a...
When I was reading the program, I suddenly found that volatile GPIO PA @ 0x5000; volatile GPIO PB @ 0x5005; What does the @ symbol mean? I would like to ask you experts! It would be better if you can ...
[i=s]This post was last edited by le062 on 2018-5-20 21:17[/i] Target chip: Jingwei Qili HME-M7 Basic information of the chip: [list=1] [*]FPGA logic resources: 12K LUT4 speed 200M [*]Cortex-M3, speed...
[i=s] This post was last edited by xxTLC on 2014-1-3 15:49 [/i] Launchpad, 200MHz, 60s, DMA memory access speed test. Key code: void SysCtlOC(){ uint32_t ui32RCC, ui32RCC2; ui32RCC = HWREG(0x400FE060)...
The two programs each have static variables or static areas. What is the difference between their static areas and the static areas of the operating system (where events and mutexes are stored)?...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[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]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[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 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]