📄 sam-ba notes.htm
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Document sans nom</title><style type="text/css"><!--.Style1 {font-family: Arial, Helvetica, sans-serif}.Style2 {font-size: 12px}.Style3 {font-family: Arial, Helvetica, sans-serif; font-size: 12px; }--></style></head><body><SPAN class=241563912-16052005></SPAN><DIV> <DIV><span class="241563912-16052005"><FONT face=Arial size=2><FONT size=2></font></font> </span><DIV> <h3 class="Style1">SAM-BA Notes V1.0 - May 2005</h3> <span class="Style3">The below procedure is applicable to: </span> <br> <span class="Style3">AT91SAM7S32 & AT91SAM7S64 starting from rev E (product ID: 58814E)<br> AT91SAM7S128 & AT91SAM7S256 starting from rev C (product ID: 58818C) </span> <h3><span class="241563912-16052005"><FONT face=Arial><STRONG>Getting Started with SAM-BA on the SAM7S-EK Evaluation Kit</STRONG></FONT></span></h3> </DIV> <DIV></DIV> <DIV class="Style3"><span class="241563912-16052005">The AT91SAM7S-EK is ready to use the SAM-BA™ software through DBGU or USB. Before being able to use SAM-BA, a recovery procedure which consists of copying the SAM-BA Boot Assistant into Flash must be performed as follows:</span></DIV> <DIV class="Style3"></DIV> <DIV class="Style3"> <ol> <li><span class="241563912-16052005">Power down the SAM7S-EK</span></li> <li><span class="241563912-16052005">Close the Jumper JP5 named TST</span></li> <li><span class="241563912-16052005">Power up the SAM7S-EK</span></li> <li><span class="241563912-16052005">Wait 10s</span></li> <li><span class="241563912-16052005">Power down the SAM7S-EK</span></li> <li><span class="241563912-16052005">Remove the Jumper JP5 named TST</span></li> <li><span class="241563912-16052005">Power up the SAM7S-EK</span></li> </ol> </DIV> <DIV class="Style3"></DIV> <DIV class="Style3"><span class="241563912-16052005">SAM-BA Boot Assistant is now available in the first two sectors of the on-chip flash and ready to use.</span></DIV> <DIV class="Style3"><span class="241563912-16052005"> </span></DIV> <DIV class="Style1"><span class="241563912-16052005 Style2">Then, you can start using the SAM-BA GUI to interface with the SAM-BA Boot Assistant as described in the SAM-BA User Guide available in the "on-line" help.</span></DIV> <DIV></DIV> <DIV> <h3><span class="241563912-16052005"><FONT face=Arial><STRONG>How to use SAM-BA on your AT91SAM7S-based devices application ?</STRONG></FONT></span></h3> </DIV> <DIV></DIV> <DIV class="Style3"><span class="241563912-16052005">The AT91SAM7S devices feature the System Recovery procedure which restores the SAM-BA™ Boot Assistant inside the Flash.</span></DIV> <DIV></DIV> <DIV> <h4><span class="241563912-16052005"><STRONG><FONTface=Arial>System Recovery Procedure</FONT> </STRONG></span></h4> </DIV> <DIV><span class="241563912-16052005 Style2 Style1">When the TST pin is set during power-up and PGMEN0, PGMEN1 and PGMEN2 are set, the device is entering is a specific test mode and performs a SAM-BA™ Boot System Recovery which consists in copying the SAM Boot Assistant (SAM-BA™) in the first two sectors of the on-chip Flash memory. The system recovery procedure takes 10s.<br> In normal mode, the TST pin can be left unconnected thanks to the internal pull down. <br> Please note that on the SAM7S-EK, PGMEN0, PGMEN1 and PGMEN2 are set by using the internal pull-up resistors enabled by default after power-up. </span></DIV> <DIV class="Style3"></DIV> <DIV> <DIV> <p class="241563912-16052005 Style2 Style1">SAM-BA Boot Assistant is now available in the first two sectors of the on-chip flash and ready to use. Then, you can start using the SAM-BA GUI to interface with the SAM-BA Boot Assistant as described in the SAM-BA User Guide available in the "on-line" help.<br> </p> </DIV> </DIV> <DIV> <h4><span class="241563912-16052005"><STRONG><FONT face=Arial>SAM-BA hardware requirements:</FONT></STRONG></span></h4> <span class="241563912-16052005"><SPANstyle="COLOR: #0020a0; LEFT: -3.89%; POSITION: absolute; mso-special-format: bullet; mso-color-index: 3"> <DIV><FONT color=#000000size=2><STRONG>-</STRONG></FONT></DIV> </SPAN></span></DIV> <DIV> <DIV> <ul> <li class="Style3">DBGU Requirements <ul> <li> Wide range of Quartz from 3 to 20MHz Quartz (software auto detection)</li> </ul> </li> <li><span class="241563912-16052005 Style1 Style2"><SPANstyle="COLOR: #0020a0; LEFT: -3.89%; POSITION: absolute; mso-special-format: bullet; mso-color-index: 3"> <FONT color=#000000>-</FONT></SPAN><SPANstyle="COLOR: #0020a0; LEFT: -3.89%; POSITION: absolute; mso-special-format: bullet; mso-color-index: 3"> </SPAN>USB Requirements</span> <ul> <li class="Style3"><span class="241563912-16052005">Limited to a 18.432MHz Quartz</span></li> <li><span class="241563912-16052005 Style1 Style2">PIOA16 dedicated for the USB Pull-up (refer to the AT91SAM7S-EK Board Schematics)</span></li> </ul> </li> </ul> </DIV> </DIV> </DIV></DIV><span class="241563912-16052005"></span></body></html>⌨️ 快捷键说明
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