I use the GD32F103Cxx microcontroller. I turned on the PWM function provided by the microcontroller. After initialization, the output can be output normally, but there is a problem that cannot be solv...
[i=s]This post was last edited by sky999 on 2019-7-15 17:52[/i]When only 5V is powered, the LED does not light up. When 220V is powered, the LED lights up. If the neutral wire is disconnected and the ...
Are audio amplifiers, Class A, Class B, Class C, Class AB, Class D, OTL, etc. circuits a type of DAC amplification? What are the similarities and differences with ordinary DAC analog voltage amplifica...
1. Flash specificationsThe main chip used in this article is N32L436RBL7, and the flash size is 128k
The flash is divided into 64 pages, numbered 0-63, and each page is 2k.2. Precautions for flash ope...
In the EMC design of RS-485 ports, we need to focus on three factors: electrostatic discharge (ESD), electrical fast transients (EFT) and surge. The International Electrotechnical Commission (IEC) spe...
As shown in Figure 1, the input signal VIN is given by the DSP chip. In Figure 1, R3 and C1 as well as R2 and C3 form a two-order low-pass filter. What is the principle of this filtering? It is easy t...
Twenty years ago, you couldn’t find a phone to call in an emergency. Twenty years later, mobile phones allow us to make calls anytime, anywhere. After another 20 years of innovation, voice calls ar...[Details]
On the evening of the 2nd, Yoo Eung-Joon, head of NVIDIA Korea, confirmed for the first time that the next generation of 7nm GPU orders will be produced by Samsung's 7nm extreme ultraviolet process. ...[Details]
Generally, the advantages of H265 video encoding in cameras, such as fast transmission, small storage, and high image quality, make it popular among enterprises. However, since mainstream browsers ca...[Details]
Spectrum analyzers are a common tool on electronic engineers' workbenches or in university laboratories. Here we have compiled 6 common questions about spectrum analyzer use, hoping that it can ans...[Details]
With the continuous development of cloud computing, hyperscale data centers, 5G applications and large-scale equipment, the market demand for uninterruptible power supplies (UPS) remains high and is ...[Details]
1. Clock initialization
1.1 Clock initialization analysis
1) Crystal oscillator frequency
2) How many PLLs are there?
3) Which clocks will the PLL generate?
4) What is the ...[Details]
Mouser stocks a wide range of KYOCERA AVX products October 26, 2022 – Mouser Electronics™, a renowned New Product Introduction (NPI) distributor focused on driving innovation in the industry, is...[Details]
The 51 series is the most widely used microcontroller. Due to its reasonable hardware structure, standardized instruction system, and "long" production history, it has the advantage of being the firs...[Details]
Program introduction: Every 100ms, move a light to light up
//** Date: Wednesday, November 21, 2012 21:26:32
#define MX_PIC
//Defines for microcontroller
#define P16F690
#...[Details]
Circuit principle: The circuit is provided with +5V power supply voltage by transformer, diode and voltage regulator IC7805. The battery voltage is divided by resistors R5 and R6 and sent to the B...[Details]
Comparison of EDA software such as OrCAD from Cadence of the United States, EWB from Interactive Image Technologies of Canada, PROTEL from Altium of Australia, and PADS from Mentor Graphics of the Un...[Details]
With the continuous development of software and hardware technology, the system development cycle is becoming more and more important, but there is a certain conflict between the development time and ...[Details]
Generally, at the initial stage, u-boot does not have any debugging methods. In order to get the internal running status of u-boot, enabling LED is the best choice. This does not include using an emu...[Details]
STMicroelectronics, a global semiconductor leader serving customers across multiple electronics applications, and Preventice, a global leader in mobile health solutions and remote monitoring systems,...[Details]
1 Introduction
With the development of semiconductor technology, system-on-chip (SOC) has become a mainstream technology today. SOC design based on IP reuse integrates IP cores into a syst...[Details]
GD32 MCU
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