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Using a JTAG in Linux Driver Debugging - page 23 / 48

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04/16/2008 - Copyright © 2008 The PTR Group Inc.

CELF-2008-SVC-23

JTAG-Aware Processors

Most embedded processors today support JTAG or one of its relatives like BDM

E.g., ARM/XScale, PPC, MIPS

Even the x86 has a JTAG port although it is rarely wired out

Grandma can barely send e-mail, let alone know what to do with a JTAG port

Some processors like MIPS come in different versions

Some with JTAG ports for development, some without in order to save $$$

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