At 03:16 PM 11/23/01 +1100, Don McKenzie wrote: >Josh Koffman wrote: > > > > Are these chips bus powered? Do they provide a means to power your > > project from the bus too? > >re http://www.dontronics.com/giga.html >Basically yes, and yes. > >I don't have the specs in front of me Josh, but looking at the general >power info in Jan Axelson's "USB Compete Book" a device requiring 100 ma >is fine, something that needs 500ma will depend on the PC power supply, >ie: is it a notebook?, and if it is a hub, is it self powered? Half an amp is all you get, from a powered hub. I don't know the number for an unpowered one. -- Dave's Engineering Page: http://www.dvanhorn.org Got a need to read Bar codes? http://www.barcodechip.com Bi-directional read of UPC-A, UPC-E, EAN-8, EAN-13, JAN, and Bookland, with two or five digit supplemental codes, in an 8 pin chip, with NO external parts. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu