<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">fyi<br><div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>From: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Werner Almesberger <<a href="mailto:werner@openmoko.org">werner@openmoko.org</a>></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>Date: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica">February 8, 2008 2:09:28 AM GMT+08:00</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>To: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Andy Green <<a href="mailto:andy@openmoko.com">andy@openmoko.com</a>></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>Cc: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><a href="mailto:ALLEN_CHANG@fic.com.tw">ALLEN_CHANG@fic.com.tw</a>, <a href="mailto:matt_hsu@openmoko.org">matt_hsu@openmoko.org</a>, <a href="mailto:TIM_LEE@fic.com.tw">TIM_LEE@fic.com.tw</a>, <a href="mailto:wolfgang@openmoko.com">wolfgang@openmoko.com</a>, <a href="mailto:TONY_TU@fic.com.tw">TONY_TU@fic.com.tw</a>, Samuel Ortiz <<a href="mailto:sameo@openedhand.com">sameo@openedhand.com</a>></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>Subject: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><b>Re: Suspend mode<span class="Apple-converted-space"> </span>measuring</b></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div> </div>Andy Green wrote:<br><blockquote type="cite">2) I looked at other SDIO designs and they do not pull up the SD / SDIO<br></blockquote><blockquote type="cite">clock line. Can make R7909 NC?<br></blockquote><br>Having a pull-up on the clock definitely sounds like a bug, yes.<br><br><blockquote type="cite">3) R1710 / R1741 is a bit of a strange pair. R1741 should be NC? Or is<br></blockquote><blockquote type="cite">there a bigger story there?<br></blockquote><br>I think the story goes like this: ultimately, we would have liked to<br>have a (very weak) pull-down there, so that we can use KEEPACT to<br>signal that the CPU have come out of reset and is in charge.<br><br>R1710 is only there to make KEEPACT work until we've implemented and<br>tested the software side of it.<br><br>However, if we're going to drop that functionality anyway, we should<br>remove R1741 and probably also make R1710 a bit larger. KEEPACT leaks<br>up to 1uA, so 100kOhm for R1710 would be perfect.<br><br>- Werner<br></blockquote></div><br></body></html>