As mentioned above, the three basic configuration amplifier circuits have their own advantages and disadvantages. If two of the configuration circuits are properly combined to form a combined amplifie...
This is a switch input circuit composed of four diodes that I saw on the Internet. The analysis is as follows: 1. When SW1 is open, R7-D5-R5 forms a path, the voltage at point A is about 10V, point B ...
[list=1] [*][size=4][color=#000000]Single-step operation is possible, but continuous operation always returns to address 0: Watchdog is not turned off, and continuous operation resets DSP back to addr...
We are a testing machine manufacturer. Our boss said that in order to prevent customers from not paying, we need to put a clock chip in the lower computer.
Used for timing. If the customer does not pa...
From the display technology, LCD is a display screen composed of liquid crystals, while LED is a display screen composed of light-emitting diodes. Each pixel unit in the LED digital display is a li...[Details]
1 Introduction The function of overload protection is to effectively protect the DC-DC converter from damage due to overheating under load overload conditions, that is, it mainly controls the overloa...[Details]
As the integrated circuit manufacturing process moves down to 3nm, the voice that Moore's Law is approaching the physical limit has become the mainstream in the industry. So how will integrated circu...[Details]
In versions after ARM v4, the ARM core has 7 working modes: User, FIQ, IRQ, Supervisor, Abort, Undefined, and System.
The 7 processor modes are divided into 3 categories:
User mode
Privileged mod...[Details]
Let's get to the point Note: garbled characters may appear when the kernel starts. You can set the following environment variables in u-boot: setenv bootargs noinitrd root=/dev/mtdblock3 init=/linu...[Details]
1. The compilation and linking can pass, but uVision MDK cannot run at full speed and stops as soon as it runs. The reason is that the Option->Target->Code Generation->Use MicroLIB checkbox is not che...[Details]
In the past month, I have read a lot of advertisement-style LED driver IC introductions, and I feel that there is nothing new about them, that is, they do not make ICs into real LED dedicated drivers...[Details]
As a general rule, you should put these things in header (.h) files:
Macro definitions (preprocessor #defines)
Structure, Union, and Enumeration Declarations
typedef declaration
External func...[Details]
At this year's two sessions, Xiaomi CEO Lei Jun proposed suggestions on smart manufacturing, integrating the elderly into digital life, and using cutting-edge digital technologies to ensure people's ...[Details]
In early photovoltaic power generation systems, open lead-acid batteries were generally used as energy storage devices. However, open lead-acid batteries have disadvantages such as the need to add ...[Details]
Electric two-wheelers have the advantages of being economical, environmentally friendly, and convenient, and have become one of the main short-distance transportation tools, and are widely used in ...[Details]
1 Introduction Power transformers are widely used and very important electrical equipment in power systems. They are relatively reliable and have a low probability of failure. However, during operat...[Details]
The autonomous driving company TuSimple announced a strategic partnership with the lidar company RoboSense. The two parties will focus on deploying the second-generation intelligent ...[Details]
introduction
As the pace of life accelerates, people's concept of time becomes more and more important, and the demand for electronic clocks and calendars increases. Therefore, the study of pr...[Details]
Let’s look at a picture first: Figure 1-1:
Figure 1-1
It seems that the above are all related to ARM, but what are they respectively?
In fact, the above nouns can be divided in...[Details]
Analog electronics
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