As the world's second largest mobile phone manufacturer, Motorola has considerable strength and experience in the fields of wireless, broadband and automotive communications, and has become a unique g...
I updated the IDF and found that the USB interface has changed a lot. Fortunately, I managed to get it connected in time. I don’t know why, but I just use it....
The price of TPS54340 has risen from 3.5 to 15 yuan. Now 431 is used as the reference and loop, 5 BJTs are used for PWM+DRV, and NMOS is promoted. The replacement cost is 1.2 yuan. The efficiency is e...
For bidirectional DC converters, some tubes have large voltage ringing spikes when boosting, but the voltage is much improved when stepping down, and the opposite is true for some tubes. In addition t...
I would like to ask how to calculate the resistance value and choose the model of the resistor? I only know that this should use the RC discharge curve to calculate the resistance value and power? I d...
Verilog HDL is a language used for digital logic circuit design. The circuit design described by Verilog HDL is the Verilog HDL model of the circuit. Verilog HDL is both a behavioral description langu...
Preface: Threads are not something mysterious. Once you understand them, you will have a sense of sudden enlightenment. In fact, they are very simple.
Section 1: Program Code Running Conditions
...[Details]
The ARM Assembly Basics tutorial series will progressively cover the following topics: Part 1: Introduction to ARM Assembly Part 2: Data Type Registers Part 3: ARM instruction set Part 4: Memory inst...[Details]
In today's rapidly developing innovation, young talents are an important force to promote social progress. Shanghai Xianji Technology Co., Ltd. (Xianji Semiconductor, Hro), as a leader in the s...[Details]
With the support of bit operations in the Cortex-M3, single bits can be read and written using normal load/store instructions. In the bit-banding supported by the CM3, bit-banding is implemente...[Details]
The STM32 serial port must first detect the status when sending, otherwise the first byte cannot be sent. After sending, it is necessary to detect whether the sending status is completed, otherwise, t...[Details]
1 Introduction
With the continuous development of my country's power system, the country has attached more and more importance to the development of new energy. The country has introduced relevan...[Details]
In order to obtain high-power LED devices, it is necessary to prepare suitable high-power LED chips. The common methods for manufacturing high-power LED chips internationally are as follows:
① I...[Details]
Test environment: STM32+IAR6.4 The heap size is set to 0x1000 (default). Variable definitions: char *p=NULL; char *p2=NULL; 1. The requested memory size exceeds the set value p = (cha...[Details]
The inverter has many setting parameters, and each parameter has a certain selection range. In use, it is often encountered that the inverter cannot work normally due to improper setting of individ...[Details]
The world of business is changing rapidly, and it will change even faster in the coming years. Today, consumers expect a consistent buying experience across all retail channels: physical stores, onli...[Details]
Technical Solution
The system we created can help parking lot patrons get information to choose parking strategies effectively. At the same time, we also need to provide data to parking lot manager...[Details]
(Shanghai, China, May 25, 2021) On May 17, the China (Suining) Honeycomb Energy Global Partner Summit and Suining Lithium Battery Industry Promotion Conference were held in Suining, Sichuan. As an im...[Details]
This article introduces the development process of DCT based on the development process of SAIC dual-clutch transmission (DCT).
1 Design and development of DCT
In the early stage of...[Details]
0 Introduction
Orthogonal frequency division multiplexing (OFDM) is an orthogonal multi-carrier modulation technology that converts broadband frequency selective fading channels into a ser...[Details]
Automotive Electronics
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