Now I have a small XPE system, I want it to recognize only one type of USB, such as the Watchdata USB, and other USBs cannot be recognized. But the Watchdata USB is a universal USB interface, what sho...
Please advise: PXA310+DSP architecture is used for video analysis and monitoring. DSP is used for video algorithm. In addition to SPI, are there other high-speed interfaces like HPI? Since the data tr...
This question is from the book "Electronic Technology Fundamentals - Analog Part" published by Higher Education Press, p272, question 6.2.5. (2) The Avc1 graph is as follows. The JFET's Gm = 2mS, Rds ...
Have you ever thought about learning to paint like an artist if you have not received any training in painting?Now Arduino gives you this opportunity, which is very convenient if you are a teacher and...
I suggest that the forum develop a mobile app, so that it is convenient to view posts on mobile phones. It is always necessary to search everywhere when using a browser, and it would be much more conv...
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]
Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
Since the second half of 2017,
the market share of
quantum dot
displays has dropped significantly, with global sales falling from 3.42 million in 2016 to 2 million in 2017, a 42% decrease; d...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
The ARM11 (S3C6410) processor is selected as the hardware platform, the embedded Linux operating system is used as the software platform, the background difference method and the frame difference...[Details]
Since the 20th century, our data
storage
has evolved from media such as magnetic tapes, floppy disks and CDs to sophisticated semiconductor
storage
chips that can store data in coun...[Details]
The role of the watchdog: Since the operation of the microcontroller is often interfered by the external electromagnetic field, the program may run away and fall into an infinite loop. The normal ope...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[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]
If you do not use an external crystal on the STM32, the connection method of OSC_IN and OSC_OUT If you use the internal RC oscillator instead of an external crystal, please follow the following metho...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
Note: This STM32 microcontroller is the STM32F103 series. The ADC of Stm32 has DMA function. This is beyond doubt and is what we use most! However, if we want to sample a signal (such as a pulse sign...[Details]
Compilation environment: (Keil) MDK4.72.10 STM32 library version: STM32F10x_StdPeriph_Driver_3.5.0 1. This article does not provide a detailed introduction to the basic knowledge of FLASH. If you d...[Details]
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