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<a name="1206583"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">8.1 Introduction to target interfacing</font>
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<a name="1206584"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This chapter describes the different types of possible targets, including simulators, that can be connected to a host, and also how to use the toolset command language to create a target definition.</font>
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<a name="1206585"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The toolset supports the following target types:</font>
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<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1206586"> </a>ST20 with ST20C1 or ST20C2 core and a diagnostic controller unit (DCU) on chip,</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1206587"> </a>ST20 simulator.</font></p>
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<a name="1206588"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">In this context, the term "target" is used to mean any software simulator or hardware which can run an ST20 application.</font>
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<a name="1206593"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The hardware target is generally an ST20 development board with a JTAG test access port (TAP) connected to an on-chip Diagnostic Control Unit (DCU). There are three methods of connecting the development board to the host:</font>
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<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1206594"> </a>via an interface connected to an Ethernet network (all hosts),</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1206595"> </a>via an interface connected to a host parallel port (Windows only),</font></p>
<p> <font size=2 face="Verdana, Arial, Helvetica, sans-serif"><li ><a name="1206596"> </a>via an interface connected to a host Universal Serial Bus port (USB) (Windows only).</font></p>
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<a name="1206597"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">The ST燤icro Connect (also known as `HTI') is the currently available interface for connecting to development targets. Older interfaces are also supported to varying degrees, as described in the <em>ST20 Embedded Toolset Delivery Manual</em>. Further information about specific interfaces is available in their datasheets, for example the <em>ST燤icro Connect Datasheet.</em></font>
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<a name="1206598"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">Named target descriptions may be held in files, so that once the files are set up, the targets can be used by many applications without target-specific coding. The descriptions are in the form of command language commands.</font>
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<font size=1 face="Verdana, Arial, Helvetica, sans-serif"> © 2001, 2002, 2003 STMicroelectronics. All Rights Reserved.<br>
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