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<div>Programming pins on a 128 are rx0 and tx0 instead of mosi and miso, so maybe no prob?<SPAN contentEditable=false style="DISPLAY: inline-block"></SPAN></div>
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-----Original Message-----<br>
From: sl@ecpower.dk<br>
Sent: Mon, 12 Mar 2007 9:14 AM<br>
Subject: [Icc-avr] SPI master and slave<br>
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<div class=MsoNormal><A name=""><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hi.</SPAN></FONT></A></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">In a new design, I want a Master (atmega 128) to talk to a Slave (atmega8).</SPAN></FONT></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">But do I run into problems during programming with the ISP?</SPAN></FONT></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">For example if I want to program the Slave and the master is talking on the SPI port, I probably run into trouble.</SPAN></FONT></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Do I need resistors on the wires? How big?</SPAN></FONT></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I would expect Atmel to have some application notes on this, but did not find any.</SPAN></FONT></div>
<div class=MsoNormal><FONT face=Arial size=2><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT></div>
<div><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Med venlig hilsen / Best regards / mit freundlichen Grüßen</SPAN></FONT></div>
<div><B><FONT face="Times New Roman" color=navy size=3><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: navy">EC POWER A/S</SPAN></FONT></B></div>
<div><B><FONT face="Times New Roman" color=navy size=3><SPAN style="FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: navy">Steven Lose</SPAN></FONT></B></div>
<div><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Software Ingeniør</SPAN></FONT></div>
<div><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Tlf.: +45 87434100</SPAN></FONT></div>
<div><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Direkte tlf. +45 58286608</SPAN></FONT></div>
<div><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">Email: <A>sl@ecpower.dk</A></SPAN></FONT></div>
<div><FONT face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt"><A href="http://www.ecpower.dk/" target=_blank>www.ecpower.dk</A></SPAN></FONT></div>
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