Today I saw a chip CD4504, which is a TTL to COMS level chip. TI's chip is marked as CM504B, and the chip CD4051B I bought is marked as CM051B. It seems that CD4 has been replaced by CM. Haha, I almos...
The imbalance between supply and demand in the global MCU market has become increasingly serious recently. After foreign MCU manufacturers successively announced price increase notices, domestic MCU m...
The voltage following circuit of the op amp, as shown in Figure 1, uses virtual short and virtual open circuits. It looks simple and clear at first glance, and there is not much to pay attention to. T...
This design shows an example distributed multi-axis servo drive based on the Fast Serial Interface (FSI) using a C2000 real-time controller. Multi-axis servo drives are used in a variety of applicatio...
https://en.eeworld.com/bbs/thread-1055958-1-1.htmlSummary of 5 years of experience in RF wireless circuit design
https://en.eeworld.com/bbs/thread-1075805-1-1.htmlRF- Radio Frequency Understanding
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Nand Flash is a type of flash memory that uses a nonlinear macrocell mode internally, providing a cheap and effective solution for the implementation of solid-state large-capacity memory. Nand Flas...[Details]
Key points of interrupt control
1. When the CPU is processing a certain task, if a more urgent event occurs externally or internally, the CPU is required to suspend the work it is processing and deal...[Details]
BYD's sales have set new records, reaching 60,508 units in August, of which the flagship model Han sold 9,035 units in August. The cumulative sales have exceeded 110,000, leading Chinese brands in th...[Details]
Recently, a piece of news quickly spread in the circle of friends of IoT practitioners, saying that due to the Ministry of Industry and Information Technology's regulation of micro-power short-range ...[Details]
Panoramic sunroofs have become a mainstream feature of family cars, but have you ever thought that if the glass of the panoramic sunroof is broken during a rollover, the people inside the car may be ...[Details]
The interrupt system of the AT89S52 microcontroller has a total of 8 interrupt sources, 6 interrupt vectors, and two-level interrupt priority. It can realize two-level interrupt service program nes...[Details]
Which route, plug-in hybrid or extended-range electric, is more in line with market demand? This is a controversial topic within the industry and among consumers. On February 17, at the China Electri...[Details]
According to reports, BYD issued an announcement announcing that it has recently completed the internal reorganization of its wholly-owned subsidiary Shenzhen BYD Microelectronics Co., Ltd. (hereinaf...[Details]
//Applicable to STM8S003F3 //main.c file //Experimental phenomenon: When the power is turned on, all digital tubes are on and display 0; when a button is pressed, the corresponding digital tube numbe...[Details]
Whether we take public transportation, experience the convenience and peace of mind brought by car-sharing or online ride-hailing, or drive to work and enjoy the independent space, cars are closely r...[Details]
The new DSA70000 Series includes multiple models that offer similar feature sets across three bandwidth levels: the DSA71254 with 12.5 GHz bandwidth, the DSA71604 with 16 GHz bandwidth, and the DSA720...[Details]
According to foreign media reports, there are less than 10 days left in the second quarter, and some manufacturers have announced the release time of their second quarter financial reports. Chip foun...[Details]
A soft starter is an electrical device used to start a motor. It can effectively reduce the current impact when the motor starts and reduce the impact on the power grid and the motor. However, in p...[Details]
Microcontroller MCU
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