15 pictures detailing four-wire SPI communication

• Download from the Internet--ARM Getting Started Notes
  A brief introduction: From today on, the ARM notebook of the rookie is open, and it can be regarded as a place to store these notes. Why publish it? Maybe you are interested in it. In fact, the reason for these notes is ...
• Learn ARM development(22)
  Turning off and on interrupts Interrupts are an efficient dialogue mechanism, but sometimes you don't want to interrupt the program while it is running. For example, when you are printing something, the program suddenly interrupts and another ...
• Learn ARM development(21)
  First, declare the task pointer, because it will be used later. Task pointer volatile TASK_TCB* volatile g_pCurrentTask = NULL;volatile TASK_TCB* vol ...
• Learn ARM development(20)
  With the previous Tick interrupt, the basic task switching conditions are ready. However, this "easterly" is also difficult to understand. Only through continuous practice can we understand it. ...
• Learn ARM development(19)
  After many days of hard work, I finally got the interrupt working. But in order to allow RTOS to use timer interrupts, what kind of interrupts can be implemented in S3C44B0? There are two methods in S3C44B0. ...
• Learn ARM development(14)
• Learn ARM development(15)
• Learn ARM development(16)
• Learn ARM development(17)

Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.

• Historical Article Catalogue of "Microcontroller and Embedded System Applications"
• Opportunities for Embedded Systems in the Internet of Things Era
• Viewing the IoT from the Perspective of Embedded Systems

• Allegro MicroSystems Introduces Advanced Magnetic and Inductive Position Sensing Solutions at Electronica 2024
• Car key in the left hand, liveness detection radar in the right hand, UWB is imperative for cars!
• After a decade of rapid development, domestic CIS has entered the market
• Aegis Dagger Battery + Thor EM-i Super Hybrid, Geely New Energy has thrown out two "king bombs"
• A brief discussion on functional safety - fault, error, and failure
• In the smart car 2.0 cycle, these core industry chains are facing major opportunities!
• The United States and Japan are developing new batteries. CATL faces challenges? How should China's new energy battery industry respond?
• Murata launches high-precision 6-axis inertial sensor for automobiles
• Ford patents pre-charge alarm to help save costs and respond to emergencies
• New real-time microcontroller system from Texas Instruments enables smarter processing in automotive and industrial applications