Description: This article introduces the ARM JTAG debug the basic principles. Basic elements include TAP (TEST ACCESS PORT) and BOUNDARY-SCAN ARCHITECTURE introduction On this basis, the combination of ARM7TDMI detailed principle of the JTAG debugger. This article mainly summarizes some previous experiences, in the hope that would like to know ARM JTAG debug netizens help. I personally do not understand the ARM JTAG is very thorough, in his article, it is inevitable there will be ignored and inaccurate, hoping the master principle of JTAG debug拍砖heroes will not have any issue, I will certainly make every effort to rectify . At the same time, also welcomed the ARM JTAG debug friends interested in the exchange of learning.
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