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PA3, PA4, PA13, PA14, and PA15 of STM32 are pins used for JTAG
If you want to use it as a normal IO port, you need to configure
Add in pin initialization
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDi...[Details]
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Waste batteries and waste oil, brake oil, transmission oil, power steering fluid, windshield washer fluid, antifreeze, etc. in vehicles are all classified as hazardous wastes and included in the "N...[Details]
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Abstract: The principle of 2ASK and FSK modulation of digital signals, the software implementation process and the design of hardware circuits are introduced, and the experimental results are given...[Details]
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#define F_CPU 4000000 //Crystal frequency #define BAUD 9600 //Baud rate void uart_init(void) { UBRRH=(F_CPU/BAUD/16-1)/256; //Set baud rate UBRRL=(F_CPU/BAUD/16-1)%6; UCSRB=0x98; //Enabl...[Details]
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As China's power grid is being rapidly and fundamentally upgraded to achieve smart grid, the key to the transformation is the large-scale deployment of smart meters in residential and commercial buil...[Details]
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On July 21, Nasda issued an announcement stating that the company plans to purchase 100% of the equity of Zhuhai Bentu Electronics Co., Ltd. (hereinafter referred to as "Bentu Electronics") held by t...[Details]
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According to foreign media reports on March 20, Huawei is actively developing a cutting-edge "magnetoelectric" storage technology, which is expected to completely change the landscape of the data sto...[Details]
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1. Clock structure diagram Figure 1 On-chip clock structure 2. Clock Distribution There are three ways to provide clock sources for 5744, namely external active crystal oscillator, external passi...[Details]
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AsiaInfo Electronics provides complete EtherCAT slave to IO-Link master gateway and IO-Link device software protocol stack solutions , allowing customers to easily import the latest IO-Link smart sen...[Details]
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On June 3, Huami Technology (NYSE: HMI) released its first quarter financial report for 2019. In the first quarter, the company's operating income reached RMB 799.6 million (US$119.1 million), a year...[Details]
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The chill that swept through the consumer electronics market quickly spread to the chip market, turning semiconductor manufacturers from "not making enough" to "unable to sell." From "chip shortage" ...[Details]
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Eight high-power charging piles stand side by side, capable of charging up to 60 kWh in 15 minutes... Early in the morning of July 19, a new energy vehicle equipped with a wireless charging system ...[Details]
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Abstract: This paper compares and analyzes three sinusoidal pulse width modulation (SPWM) control methods, points out their respective advantages and disadvantages and applications, gives some ma...[Details]
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According to news on March 8, according to the Tianyancha App, on March 7, Guangzhou Xiaopeng Automobile Technology Co., Ltd.’s patent for “Electric Vehicles and their Photovoltaic Charging System” w...[Details]
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In October, Qualcomm issued a security warning, saying that there were serious vulnerabilities in as many as 64 of its chipsets. Since the vulnerability was already exploitable when it was first ...[Details]
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