Define float a=1.1, b=2.2, c; that is, define three single-precision floating points c=a*b; This instruction uses 5 system clocks c=a*b; c=a*b; Calculating it twice together uses 9 system clocks c=a*b...
Hello everyone, I changed a ucos-iii task on stm32f103rb today, I don't know why? When I changed the startup file to startup_stm32f10x_hd.s, the system can run normally on the development board, but i...
[b][size=18px]Technical Description[/size][/b] [color=#000][font=Arial][/font][/color] [color=#000][font=Arial][size=18px]Therefore, when we design the circuit, we only need to connect these two pins ...
We all know that MSP430 has an ultra-low power working state. According to the user manual, Active Mode: 220 μA at 1 MHz, 2.2 V; Standby Mode: 0.5 μA; Off Mode (RAM Retention): 0.1 μA
But this only gi...
8086 program, why is there no response on the board when I execute the code? The port and other things are correct. Can someone help me look at it? The code is as follows data segment ioport equ 0d400...
Hello everyone, I am a PCB beginner and am learning Allegro software. I would like to ask how to make the corresponding PCB package according to the appearance specifications in the chip manual, inclu...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
Microcontroller MCU
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