Input impedance is the ratio of input voltage to current, that is, Ri = U/I. Under the same input voltage, if the input impedance is very low, a large current needs to flow, which will test the curren...
Hi guys: I want to ask, if my hardware supports two video FIFOs and one image FIFO. When I use Direct Show to implement video output, how can I change the final video output to the FIFO I want to outp...
(Environment: ucos, CPU: arm7) When a task is interrupted, the CPU enters IRQ (exception) mode. Is SP R13_IRQ? The book says that the CPU registers (r1~r12) and PC are saved in the task stack, but my ...
Beginner, simple questions about wince reg file 1: This is backlight [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\BAK] // What does this mean? "Index"=dword:1 // What does index mean? What does 1 mean? "Prefix...
Renesas Flash Programmer Programming Software Related Materials [url=http://documentation.renesas.com/doc/products/tool/doc/r20ut0676ej1000_rfp_mculst.pdf]List of Microcontrollers Available for Renesa...
[p=30, null, left][font=宋体][font=Verdana][size=3][color=#000000] With the continuous development of information technology and the improvement of people's requirements for comfort and convenience in d...
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]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[Details]
I recently upgraded MDK to V5.25 and found that there are many libraries in the Managing Run-Time Environment. Compared with the past, it is much better, from the bottom-level driver to the upper-le...[Details]
Chip: STM32F107VCT6 Application Pin: THOUSANDS, RMII STM32CubeMX is very convenient to use ETH. The software comes with LWIP and configuration. This time, STM32F107VCT6+DP83848CVV is used. The MII a...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[Details]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]
This program is used in the development board to generate sounds of different frequencies. The overall program is relatively simple, mainly using two timers. The code and my comments are as follows. ...[Details]
On the eve of 5G
commercialization,
ZTE
has established and adhered to
the
5G
pioneer strategy, focusing on
5G
end-to-end solutions, and investing in standard setting, ...[Details]
sprintf is a function in the C language library that converts data types. There is a situation where In 51 MCU, define unsigned char temp; Then I want to use the serial port to print out temp in deci...[Details]
The photovoltaic industry has become a new business card for China to the world. It not only represents China's leading technology, but also constantly breaks various records with its development spee...[Details]
As shown in the figure, the author soldered a STM32F207VET6 board using a TQFP (32-100PIN) 0.55MM to direct plug adapter board. The board leads out the SWD debug interface (only PA13 and PA14 are occ...[Details]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]
#include reg52.h //Include the header file. Generally, no modification is required. The header file contains the definition of special function registers. /*-------------...[Details]
Analogue and Mixed Signal
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