Today I wrote a piece of boot code. After initializing the various stacks in the working state, I encountered the following problem when establishing the interrupt vector table: The code is as follows...
When the FSMC of STM32F103VC is connected to an external 16-bit Nand, should the address or command written by the CPU to the Address section or Command section be 16 bits or 8 bits? Is the actual out...
Any trace on the FPC will cause delay to the signal when passing a high-frequency signal. The main function of the serpentine trace is to compensate for the smaller delay parts of the "same group of r...
I have a USB device, but I don't know the port. How can I read and write data? I use createfile, writefile, and readfile to open the USB device. There is no port in the USB path. The handle is opened ...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
1. Introduction
Power flow calculation is the basis for studying steady-state problems of power systems. Since the application of computers to calculate power flow distribution in power sy...[Details]
0 Introduction
With the continuous progress of science and technology, industrial control systems are developing towards openness, digitization, intelligence, distribution and networking. Field...[Details]
Abstract: Based on CPLD as the core, a manageable SAS hard disk backplane is designed. While conveniently replacing the faulty hard disk, it can indicate the working status of the hard disk by cont...[Details]
The ISL97691 is Intersil's highly integrated 4 channel LED driver for single cell Li-Ion battery operated mobile displays requiring analog dimming, and for 3D mobile display applications. It drives fo...[Details]
Embedded System
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