SWD: Serial Wire Debug SWD (Serial Wire Debug) is one of the two debugging ports currently supported by ARM (the other being the JTAG Debug Port). SWD reads and writes the chip’s registers by transmitting data packets, serving as a two-wire protocol for accessing the ARM debugging interface, and is part of the ARM Debug … Read more
In embedded systems such as STM32, if it is necessary to disable the JTAG function pins to avoid floating voltage issues (such as a residual voltage of 0.66V), the following key measures should be followed: 1. Causes and Risks of Voltage Residuals Internal Weak Pull-Up/Pull-Down ResistorsThe JTAG pins (such as TMS, TCK, TDI) typically have … Read more
“ The choice of firmware programming methods is crucial throughout the entire lifecycle of embedded products. From development and debugging to mass production and on-site updates, various programming methods have their respective applicable scenarios. This article outlines the circuit design and applications of mainstream methods such as JTAG and SWD, comparing their versatility, advantages, and … Read more
Click the “blue WeChat name” below the title to quickly follow Source:Chinese Journal of Neurology, 2022, 55(10): 1200-1208 Authors:Huang Jiaqi, Zhu Yulan Abstract The circadian rhythm is driven by the biological clock in the suprachiasmatic nucleus, regulating many life activities and physiological functions, such as central nervous system activity, autonomic nervous system activity, endocrine function, … Read more