As shown in the figure, this is a function program that sets the PWM wave frequency and duty cycle.
The parameter fr in the function represents the PWM frequency to be set, and dc represents the duty ...
Si522 is one of many 13.56MHz chips, mainly used for card swiping. It has been recognized by many users. Its main feature is low power consumption. It is a popular chip in the field of smart locks. Co...
The hardware circuit design of a single-chip microcomputer application system includes two parts: one is system expansion, that is, when the functional units inside the single-chip microcomputer, such...
There are two manuals in the compressed file, which are in WORD document format, very suitable for readers to copy and write related materials. One is "PROTEL 99 SE Feature Manual.doc" and the other i...
Why can't I enter EEWORLD University? It keeps prompting me to fill in all the information. Is it not enough if I have already filled in all the options marked with *? ?...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
Introduction: As a power electronic device, the photovoltaic inverter mainly converts the direct current generated by the photovoltaic module into alternating current. Because there are thousands o...[Details]
1. Function and purpose There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]
STM32 has three startup modes. In RM0008 downloaded from the ST official website, you can find the startup-related configuration instructions: Translated into Chinese: The storage media corresp...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
The key is the configuration of registers. The T1 timer (16 bits) of CC2530 needs to configure three registers: T1CTL, T1STAT, IRCON Here is just a brief introduction. For more details, please refer ...[Details]
MCS-51 single-chip microcomputer timer/counter experiment programming program Programming requirements: 1. Connect a light-emitting diode LED to the P1.0 pin, light up for two seconds, turn off for o...[Details]
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