Jim's pretty busy, I know from talking to him off-list; I think he's working on the next generation hardware/firmware for his programmers. He'll be back, I'm sure. I can read that data sheet, want a crystal? Mark Claudio Rachiele IW0DZG wrote: > > Mark, many tnk's for your answer. > Let me explain my problem. > I bought from Dontronics the Jim's Phoenix programmed 17c42. > The chip is an upgrade to the Microchip 16B1 programmer. > I don't own a 16B1, a friend of mine borrow me his 16B1 and I was able to get > the > schematic. My need is to rebuild the 16B1 with Phoenix firmware just to progra m > parallel programming chip like 16C5x. > 5.0688MHZ vs. 5MHz mean 1.3% of error in clocking. > I am sure that it is not a problem for RS232 operation, but I'm not so sure th at > it > don't make any problem to programming timing and nobody can know more > about it then the guy that have written the program. > I don't know, because I don't have the 17c42 data sheet, if it needs a paralle l > or a > serial style crystal. > I don't know why Jim don't answer to me. > I bought his work and I don't say he must answer to me, but usually I expect > some post > sales assistance. > > ciao > > Claudio Rachiele IW0DZG > > Mark Willis on 10/20/99 10:14:17 PM > > Please respond to Mark Willis > > To: Claudio Rachiele IW0DZG/Italy/IBM@IBMIT > cc: Mark Willis > Subject: Re: phoenix > > Claudio, if you need or just want a 5.0688 MHz crystal, I can get one > and just airmail it to you; Digi-Key has them at $0.84 USD, Mouser is > probably cheaper, postage would be another $1 or so (guessing), so I can > just get one to help you out, maybe do me a favor some day later. I'm > not rich, but inexpensive is inexpensive I'll be placing orders > with Mouser and/or Digikey in a couple days here, just make sure I know > whether you want a Series (or Parallel) style crystal, don't want to get > you the wrong part! (Better yet, if I know the Mouser or Digi-Key part > number, I can match that.) > > Mark > > Claudio Rachiele IW0DZG wrote: > > > > Jim, I sent you a mail directly to not increase the noise on the list, > > but I havent any answer from you. > > I have seen that you answer to the guy asking to the list. > > Now I ask to the list too, maybe I got the answer. > > I don't know if there are some tight timing loop that don't tollerate > > 1.3% clock error. > > > > LMK > > > > ciao > > > > Claudio Rachiele IW0DZG > > > > ---------------------- Forwarded by Claudio Rachiele IW0DZG/Italy/IBM on > > 10/20/99 10:54 AM --------------------------- > > > > Claudio Rachiele IW0DZG > > 10/18/99 10:45 AM > > > > To: newfound@pipeline.com.au@internet > > cc: > > From: Claudio Rachiele IW0DZG/Italy/IBM@IBMIT > > Subject: phoenix > > > > Jim, I bought your phoenix 17C42 to make a parallel programmer for 16C5x. > > The original schematic use a 5.068 MHz xtal. I can't found it in my country. > > Can I use a 5 MHz xtal istead of or the timing error ( 1.3 % ) is too great to > > let the programmer works ? > > > > TIA > > > > Claudio Rachiele IW0DZG