document/gpio.htm

changeset 1
dfc32cad81ba
parent 0
267b5a25932f
     1.1 diff -r 267b5a25932f -r dfc32cad81ba document/gpio.htm
     1.2 --- a/document/gpio.htm	Fri Aug 13 10:41:29 2010 +0100
     1.3 +++ b/document/gpio.htm	Sat Aug 06 01:43:24 2011 +0100
     1.4 @@ -113,10 +113,10 @@
     1.5  	writeIntopicBar(4);
     1.6  //-->
     1.7  </script>
     1.8 -<h1>LatticeMico32 GPIO &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a title="View Data Sheet" href="gpio.pdf" target="_blank" onmouseover="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_showtip(this,event,'View Data Sheet');" onmouseout="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_hidetip();"><img src="ds_icon_ast.jpg" x-maintain-ratio="TRUE" width="29px" height="31px" border="0" class="img_whs1"></a></h1>
     1.9 +<h1>LatticeMico GPIO &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a title="View Data Sheet" href="gpio.pdf" target="_blank" onmouseover="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_showtip(this,event,'View Data Sheet');" onmouseout="if ((parseInt(navigator.appVersion) == 4) && (navigator.appName == 'Netscape')) ehlp_hidetip();"><img src="ds_icon_ast.jpg" x-maintain-ratio="TRUE" width="29px" height="31px" border="0" class="img_whs1"></a></h1>
    1.10  
    1.11 -<p>The LatticeMico32 general-purpose input/output core (GPIO) provides 
    1.12 - a memory-mapped interface between a WISHBONE slave port and general-purpose 
    1.13 +<p>The LatticeMico general-purpose input/output core (GPIO) provides a 
    1.14 + memory-mapped interface between a WISHBONE slave port and general-purpose 
    1.15   I/O ports. The I/O ports can connect to either on-chip or off-chip logic.</p>
    1.16  
    1.17  <p class="whs2">*If the data sheet fails to open, see the 
    1.18 @@ -144,6 +144,22 @@
    1.19  <tr valign="top" class="whs6">
    1.20  <td colspan="1" rowspan="1" width="85px" class="whs9">
    1.21  <p class=Table
    1.22 +	style="font-weight: normal;">3.3</td>
    1.23 +<td colspan="1" rowspan="1" width="505px" class="whs10">
    1.24 +<p class=Table>Added software support for LatticeMico8.
    1.25 +</td></tr>
    1.26 +
    1.27 +<tr valign="top" class="whs6">
    1.28 +<td colspan="1" rowspan="1" width="85px" class="whs9">
    1.29 +<p class=Table
    1.30 +	style="font-weight: normal;">3.2 (8.1 SP1)</td>
    1.31 +<td colspan="1" rowspan="1" width="505px" class="whs10">
    1.32 +<p class=Table>WISHBONE data bus size is configurable to 8 or 32 bits. 
    1.33 + Register map is updated to accommodate 8/32-bit WISHBONE data bus. </td></tr>
    1.34 +
    1.35 +<tr valign="top" class="whs6">
    1.36 +<td colspan="1" rowspan="1" width="85px" class="whs9">
    1.37 +<p class=Table
    1.38  	style="font-weight: normal;">3.1 (7.2)</td>
    1.39  <td colspan="1" rowspan="1" width="505px" class="whs10">
    1.40  <p class=Table>Updated the Edge Capture Register clean method</p>
    1.41 @@ -313,6 +329,19 @@
    1.42  <td colspan="1" rowspan="1" width="503px" class="whs17">
    1.43  <p class=Table>Generates an IRQ on high-to-low transitions. This option 
    1.44   is deselected by default.</td></tr>
    1.45 +
    1.46 +<tr valign="top" class="whs13">
    1.47 +<td colspan="2" rowspan="1" width="85px" class="whs16">
    1.48 +<p class=Table
    1.49 +	style="font-weight: bold;">WISHBONE Configuration</td>
    1.50 +</tr>
    1.51 +
    1.52 +<tr valign="top" class="whs13">
    1.53 +<td colspan="1" rowspan="1" width="85px" class="whs16">
    1.54 +<p class=Table>WISHBONE Data Bus Width</td>
    1.55 +<td colspan="1" rowspan="1" width="503px" class="whs17">
    1.56 +<p class=Table>Specifies the WISHBONE data bus width in bits. Supported 
    1.57 + values are 8 and 32. The default is 32.</td></tr>
    1.58  </table>
    1.59  
    1.60  &nbsp;