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According to China Securities Network, on August 26, Yang Xudong, deputy director of the Electronic Information Department of the Ministry of Industry and Information Technology, pointed out at the 2...[Details]
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1. Key measurement parameters of BER 1) Signal rate accuracy 2) Signal amplitude accuracy 3) Data signal rise time, various jitter parameters 5) Clock signal rise time, jitte...[Details]
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u16 USART3_CGREG_Cnt;
u8 USART3_Task_Cnt;
//task_GPRS is the GPRS processing task, which is called every 50ms~200ms
void task_GPRS()
{
switch(USART3_Task_Cnt)
{
case 0:
// ...[Details]
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The development of single photon detectors (SPDs) is an important research topic in the fields of quantum optics and quantum information. Single photon detectors break through the limitations of trad...[Details]
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Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
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ARM series processors are RISC (Reduced Instruction Set Computing) processors. Many ARM-based efficient code programming strategies are derived from RISC processors. Like many RISC processors, memory ...[Details]
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Previously, the program was downloaded directly to the DDR memory, and then jumped directly to the memory to run. The reason why it can run is that the u-boot that comes with the development board ha...[Details]
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In order to characterize the quality of various voltage or current waveforms, the amplitude, average value, effective value, first harmonic and other parameters of voltage or current are generall...[Details]
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Innodisk, a global leader in industrial storage, will hold an AIoT seminar at Xijiao Hotel in Shanghai, China on April 18. After announcing the AIoT strategic alliance in Taiwan in October 2018, Inno...[Details]
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As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
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Since Huawei and Honor separated, the issue of system updates has always been the focus of discussion. At present, Huawei has officially released a roadmap for upgrading old Honor models to Har...[Details]
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The MEGAWIN series of MCUs are based on the 80C51's highly efficient 1-T structured single-chip microprocessor. Each instruction requires 1 to 7 clock cycles (6 to 7 times faster than the stan...[Details]
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From the hand crank at the beginning, to the real car key later, to the remote-controlled "car key", the way to unlock the car has also experienced several changes. Now, "digital keys" that can open ...[Details]
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As shown in the figure, switch SP1 is connected to the P3.7/RD pin. Four light-emitting diodes are connected to the P1 port of the AT89S51 microcontroller. When the power is on, the light-emitting di...[Details]
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Let’s look at a picture first: Figure 1-1:
Figure 1-1
It seems that the above are all related to ARM, but what are they respectively?
In fact, the above nouns can be divided in...[Details]
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