<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">Milosch Meriac <<a href="mailto:meriac@openmoko.org">meriac@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">March 19, 2008 7:23:31 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">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; "><span class="Apple-style-span" style="-webkit-text-stroke-width: -1; "><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: Adding a system management MPU</b></font></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div> </div>Dear Werner,<br><br>Werner Almesberger wrote:<br><br><blockquote type="cite">Milosch Meriac wrote:<br></blockquote><blockquote type="cite"><blockquote type="cite">Funnily I chose a very similar chip for my Ebook Reader design - the MSP420F233 (dirt cheap and a supports lot of peripherals). Basically it allowed me to stick to a cheap PMU.<br></blockquote></blockquote><blockquote type="cite">Cool. I it seems that you're happy with the chip family ?<br></blockquote><br>Yep - the MSP430F233 has many great features:<br><br><a href="http://focus.ti.com/docs/prod/folders/print/msp430f233.html">http://focus.ti.com/docs/prod/folders/print/msp430f233.html</a><br><br>* 16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time<br>* Active Mode: 270 µA at 1 MHz, 2.2 V<br>* Standby Mode (VLO): 0.3 µA<br>* Off Mode (RAM Retention): 0.1 µA<br>* Ultra-Fast Wake-Up From Standby in <1µs<br>* Internal Calibrated Frequencies to ±1%<br>* fast 12-Bit Analog-to-Digital (A/D) Converter (!) with<br> Sample-and-Hold (!!)<br><br>But there is one big drawback: The gcc based http://mspgcc.sourceforge.net/ compiler provides only support for few selected chips. This is not a particular problem because the free closed source compiler version supports it fully (8K flash) - But it sucks to compile the code in Windows.<br><br>Warmest regards,<br>--<br>Milosch<br></blockquote></div><br></body></html>