Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Old thread has been locked -- no new posts accepted in this thread
???
07/24/07 13:56
Read: times


 		 #142251 - No ... I haven't received it
Responding to: ???'s previous message
I agree that it is probably not advisable to reinforce defective notions about serial port level shifting in this forum, and I submit that this thread is probably one about PC serial port to 805x wiring, more than anything else (the circuit hasn't changed since back when it did function properly). I, myself, have never encountered any transmitter that pretended to function without a negative supply from somewhere, though. As a result it's hard for me to envision anyone believing, even for a microsecond, that the transmitter might produce the required minimal -3 volts without a negative supply.

What that has to do with ISP/IAP, or any other "modern" feature of 805x's in the context of making an 8032 board work, escapes me, however.

RE


List of 39 messages in thread
TopicAuthorDate
Loading a hex file.            01/01/70 00:00      
   more info? a few ideas....            01/01/70 00:00      
      loading hex files.            01/01/70 00:00      
   tried a bunch of stuff to no avail...            01/01/70 00:00      
      little 'A's            01/01/70 00:00      
   giving up the ghost :)            01/01/70 00:00      
      SiLabs, et al            01/01/70 00:00      
         I'll second that            01/01/70 00:00      
            I'll second the second and a bit of info            01/01/70 00:00      
               not entirely helpful ...            01/01/70 00:00      
                  How can it be not entirely helpful            01/01/70 00:00      
                     IIRC, DigiKey doesn't give the gender either.            01/01/70 00:00      
                        it's male            01/01/70 00:00      
                           thanks!            01/01/70 00:00      
         Nonsense! Let him do what he wants!            01/01/70 00:00      
            Lost the Thread!            01/01/70 00:00      
            Is it what he actually wants?            01/01/70 00:00      
               He didn't indicate a requirement, but ...            01/01/70 00:00      
                  Did he actually choose it?            01/01/70 00:00      
                     Well ... just because YOU don't like it ...            01/01/70 00:00      
                  HOGWASH            01/01/70 00:00      
                     what does ISP have to do with amount of I/O            01/01/70 00:00      
                     Have you thought about what you said?            01/01/70 00:00      
                        it STILL has absolutely nothing to do with ISP.            01/01/70 00:00      
                           those are red herrings, Erik            01/01/70 00:00      
                              forget red herrings            01/01/70 00:00      
                                 the mention of ISP is the \"red herring\"            01/01/70 00:00      
   Can you do this?            01/01/70 00:00      
   thanks guys...            01/01/70 00:00      
      looks like            01/01/70 00:00      
         Maybe you should spell out what you mean...            01/01/70 00:00      
            two resitors, 3 resistors ....            01/01/70 00:00      
               now you really should spell out what you mean            01/01/70 00:00      
                  please note I said \"works\" not works.            01/01/70 00:00      
                     don't start another "food fight"            01/01/70 00:00      
                        did you see the e-mail I sent you?            01/01/70 00:00      
                           No ... I haven't received it            01/01/70 00:00      
                              It very often comes up in the 47th response            01/01/70 00:00      
                                 What do you mean by that?            01/01/70 00:00      

Back to Subject List