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<head>
-<title>UCSIM: CPU types</title>
+<title>µCsim: CPU types</title>
</head>
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<br><a href="#52">8052/8032</a>
+<br><a href="#ds390">DS390</a>
+
<br><a href="#51r">8051R</a>
<br><a href="#89c51r">89C51R</a>
</ul>
+<a name="ds390"><h3>DS390</h3></a>
+
+You can select this type of microcontroller using <b>DS390</b> as
+parameter for -t option (this is a CMOS type).
+
+It includes same features as <a href="#52">8052</a> and adds:
+
+<ul><li>24 bit flat mode
+
+<li>support for dual DPTR register
+
+<li>128k external RAM
+
+<li>128k ROM
+
+<li>4k internal SRAM usable
+
+<li>10 bit stack mode
+
+<li>"timed access" of SFRs
+
+</ul>
+
+
<a name="51r"><h3>8051R</h3></a>
You can select this type of microcontroller using one of the following