Analysis of ARM JTAG Debugging Architecture: Components and Underlying Logic

Analysis of ARM JTAG Debugging Architecture: Components and Underlying Logic

JTAG is the core interface for debugging ARM chips, and its architecture achieves instruction transparency from the host to the chip through a layered design. This article will focus on the ARM JTAG debugging architecture, clarifying its key components at the physical and protocol layers. 1. Three Major Modules of ARM JTAG Debugging Structure ① … Read more