CSC still makes proms for these if it becomes a pain. I had a 51b CWID'er and got one shipped to me with my call sign for less than 15.00... just fyi. Hope you figure it out...
Chris --- In [email protected], "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > Does anyone know the programming scheme used in the old CW IDer, like the > CSC CWID 51B? > > This uses a 32 x 2 Bipolar PROM with the ID programmed into it. I can read > the existing PROM, but can't figure out the scheme they are using. CSC has > been no help. > > What's in the PROM is: > > 00 - 04 E8 A8 28 <- Bytes 00 thru 03 > 04 - 04 E8 A8 28 <- Bytes 04 thru 07 > 08 - 04 E8 A8 28 > 0A - 04 E8 A8 28 > 10 - 38 B8 A8 E8 > 14 - 38 B8 A8 E8 > 18 - 38 B8 A8 E8 > 1A - 38 B8 A8 E8 > > Somehow this corresponds to "DE KQH313" > > The chip is supposed to be able to store 4 callsigns, and I believe this > chip was programmed with the same call 4 times (why it repeats itself). > Also the 4 Most Significant Bits of each byte appear to be timing in the > logic, which is why the first one is an x4, and the rest are x8. That means > that: > > 0 E A 2 3 B A E = DE KQH313 (In Morse Code of course) > > Any ideas? Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
