If SYS_CLK is 72M and PCLK2=36M, how long does it take to callGPIO_SetBits(GPIOB,GPIO_pin_1);GPIO_ResetBits(GPIOB,GPIO_pin_1);these two library functions?...
Our program is based on a CPU design with a built-in 512KB FLASH ROM from NXP. Now we find that the program space is not enough to fix bugs and add new functions. We have done some work on code optimi...
The first company I joined right after graduation was a huge pit:surrender: I basically had to work overtime until nine o'clock every day, and I had to go to work on Sundays if I had something to do, ...
I've been debugging OP07 recently, but the first step of zero adjustment is very unstable. I don't know why. Sometimes it can reach 0, but sometimes it can only reach about 200mv. The circuit is modif...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
The NCL30051 from On Semi is a peak current controlled fixed off time buck controller designed for LED driver applications. It has adjustable off time, 250mA source/500mA sink peak drive capability, ±...[Details]
After the development of the single-chip microcomputer application system is completed, the system often freezes at the work site due to noise interference, electromagnetic interference, overvoltag...[Details]
1. Explanation of some common English abbreviations in ARM
MSB: most significant bit;
LSB: least significant bit;
AHB: Advanced High-Performance Bus;
VPB: VLSI peripheral bus th...[Details]
Embedded System
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