Understanding RISC-V Physical Memory Protection (PMP)

Understanding RISC-V Physical Memory Protection (PMP)

Definition of PMP The full name of PMP is Physical Memory Protection. It is a lightweight and low-overhead memory protection mechanism in the RISC-V architecture, primarily used in embedded systems or real-time operating systems (RTOS) that do not have a Memory Management Unit (MMU). The core purpose is to provide access control to physical memory … Read more

Principles and Detection Methods of 3D SPI

Principles and Detection Methods of 3D SPI

SPI (Solder Paste Inspection) refers to the solder paste inspection system, whose main function is to detect the quality of solder paste printing, including volume, area, height, XY offset, shape, bridging, etc. To quickly and accurately detect extremely small solder paste, detection principles generally use PMP (Phase Modulation Profile Measurement Technology) and Laser (Laser Triangulation … Read more