To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.roboticsOpen lugnet.robotics in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Robotics / 24968
24967  |  24969
Subject: 
NXT - ARM7's and USB
Newsgroups: 
lugnet.robotics
Date: 
Sun, 8 Jan 2006 20:20:39 GMT
Viewed: 
1550 times
  
Im not a chip guru, can someone explain why the lego speck says the USB
is input only? The PDF's for the ARM7 chip set(s) this could be, state
the on board USB controller is bidirectional.


questions, questions, questions.....


Chris



Message has 2 Replies:
  Re: NXT - ARM7's and USB
 
(...) Hopefully an answer (I don't have 3...). The actual micro doesn't have the full hardware needed to implement communications. You still need to include transceiver/receiver hardware that acts as the bridge between the cable and the micro. Lego (...) (19 years ago, 8-Jan-06, to lugnet.robotics)
  Re: NXT - ARM7's and USB
 
(...) Chris, I know little about USB, but USB communication is not peer to peer like an ethernet port. You have masters and slaves, or hosts and devices. Whether you are host or device, you still need to be able to communicate bidirectionally. If (...) (19 years ago, 8-Jan-06, to lugnet.robotics)

9 Messages in This Thread:



Entire Thread on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact
    

Custom Search

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR