Go to A2.3 Registers in the ARM Architecture Reference Manual
R13 is usually used as SP stack pointer in the program! !
R14 is usually used as LR (link register) in the progra...[Details]
0 Introduction
The stability and reliability of the power supply of the postal and telecommunications lines play a key role in the entire postal and telecommunications. Therefore, it is re...[Details]
Automation technology is developing rapidly. We are in an era of rapid change. From semiconductors to consumer electronics, to automobile and aviation manufacturing, light industry and logistics in...[Details]
Recently, the Fujian Provincial Development and Reform Commission issued the "Implementation Opinions on Accelerating the High-Quality Development of the Lithium Battery New Energy and New Material...[Details]
Circuit principle: The integrated circuit charger, as shown in the figure, is a constant current charging circuit composed of a three-terminal voltage regulator (LM317). Since the potential differ...[Details]
The electronic control unit of a car rarely fails. When a failure occurs, do not easily suspect that the ECU is faulty. Only when it is confirmed that the appearance of the electronic control unit is...[Details]
The real-time clock module provides clock counting with calendar mode, flexible programmable alarm clock and calibrable clock counter.
8.1 Introduction to RTC_A
The Real Time Clock modu...[Details]
I believe that some users are still unclear about the application of Windows operating system safe mode. Below we will tell you about the application skills of Windows safe mode.
1. Basic ...[Details]
(Photo source: Penn official website) Rechargeable lithium-ion batteries are a revolutionary technology used in everything from mobile phones to cars. However, lithium-ion batteries cannot be char...[Details]
Keysight today announced that it has acquired Cliosoft and added the company’s line of hardware design data and intellectual property (IP) management software tools to its electronic design automatio...[Details]
Sina Digital News reported on the morning of April 6 that Facebook's payment function "Facebook Pay" will support users to make payments between users through QR codes. Users can transfer money...[Details]
Infineon Technologies AG expects significant growth in automotive 48 V systems in the coming years and is expanding its portfolio of related power devices. To meet the different requirements of diffe...[Details]
Speed regulation method of series motor
The speed control method of series motor usually uses the following methods:
1. Change the power supply voltage: Change the motor speed by changi...[Details]
On November 2, the 300,000-kilowatt new energy storage project with a total investment of 2.395 billion yuan by Shouhang Energy Group was started and laid the foundation stone in Changji National High...[Details]
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