I bought the micro2440sdk development board from Friendly Arm around July last year. I am now transferring it to you. I am willing to answer questions about bootloader and wince driver. I will also gi...
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)?...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]