手机Ｊｔａｇ调试是开发中最重要的调试手段，这本书介绍它得的原理。-JTAG debugging handset is to develop the most important debugging tools, the book introduced the principle of it too.

ARM JTAG的一下技术知识，给学习ARM调试的人带来方便。此电子书重点介绍JTAG的原理和应用-ARM JTAG' s about technical knowledge, to learn who ARM debugging convenience. This e-book focuses on the theory and application of JTAG

On-Chip Instrumentation_Design and Debug for Systems on Chip--Neal Stollon.pdf 本书介绍了对于SOC调试系统的设计，包括jtag、jtag、etm等内容。整书对emulator和tracer的介绍非常详细。-This book give a detail descr iption for design a debugging system on SoC system.