IO map

2009-09-18T06:55:14Z

194.17.208.94:

== M100/T102/T200 IO Map ==

<table>
<tr><td width="100">IO</td><td>M100</td><td>T200</td></tr>
<tr><td>80h-8Fh</td>
<td>Device-select signal for optional IO controller unit</td>
<td></td>
</tr>
<tr><td>90h-9Fh</td>
<td>Device-select signal for optional answering telephone unit</td>
<td>90h - Ram address (4-bit)<br>
91h - Ram data (4-bit)<br>
9Dh - Timer control(4-bit)
</td>
</tr>
<tr><td valign="top">A0h-AFh</td>
<td>Bit 0 - ON/OFF of relay for signal selection of telephone unit<br>
Bit 1 - Generates ENABLE signal of LSI for MODEM</td>
<td></td>
</tr>
<tr><td>B0h-BFh</td>
<td>PIO 81c55</td>
<td>PIO 81c55</td>
</tr>
<tr><td>C0h-CFh</td>
<td>[[Model 100 Serial Interface|DATA input/output of UART]]</td>
<td>UART 8251</td>
</tr>
<tr><td>D0h-DFh</td>
<td>[[Model 100 Serial Interface|UART settings]]</td>
<td>Banks Selection</td>
</tr>
<tr><td>E0h-EFh</td>
<td>Keyboard return</td>
<td>Keyboard return</td>
</tr>
<tr><td>F0h-FDh</td>
<td>LCD</td>
<td></td>
</tr>
<tr><td>FEh</td>
<td>LCD</td>
<td>LCD Command/status</td>
</tr>
<tr><td>FFh</td>
<td>LCD</td>
<td>LCD Data</td>
</tr>
</table>

[[Category:Model T Developer Reference]]

Amstrad NC-100/200 DocGarden

2009-09-09T07:20:08Z

194.17.208.94:

Links to pages that have infomation and other good bits about the Amstrad computer models.<br>
[http://www.ncus.org.uk/index.htm] Tim's Amstrad NC Users' Site! <br>
[http://web.ukonline.co.uk/cliff.lawson/] Amstrad Computer Site

Bitchin100 DocGarden - User contributions [en]

IO map

Amstrad NC-100/200 DocGarden