Quoting Corey Osgood <[EMAIL PROTECTED]>: > On Thu, Feb 21, 2008 at 11:36 AM, ron minnich <[EMAIL PROTECTED]> wrote: > >> I need to do ttl to rs232 for the thincan. I am thinking of a cook >> book procedure so others can do this easily. >> >> The first ingredient is this: http://www.superdroidrobots.com/rs232.htm >> >> Anyone have a better choice? I like this as it comes with schematics >> and howto. From here I should be able >> to do a simple "howto" writeup. >> >> CS5536 doesn't have USB debug port support :-(, so this is the best >> choice. We're going to need a Kconfig >> option on v3 for enabling serial over DDC on boards using cs5536. >> >> thanks >> >> ron > > > Siemens C55 has an lvttl interface. Most of the usb data cables on ebay (for > $0.99) are prolific pl2023-based. It involves a little more work, but it's a > heck of alot cheaper. > > -Corey > Yeh, we have to use a LVTTL to RS-232 level translator on the RCA RM4100. Like Corey said I use a Siemens C55 serial cell phone cable and it works great! here is a pic:
http://www.smittys.pointclark.net/rm4100/album_pic.php?pic_id=24 I have other people in my group that use other cell cables USB and even palm cradles. If you want to make one here is a simple way to do it: http://nil.rpc1.org/psp/files/PSP%20Serial%20Converter.pdf Thanks - Joe -- coreboot mailing list [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
