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03/20/13 15:54
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#189577 - Parallel programming P89V51
As the final copies of an old project based on P89V51, I managed to get some "new" chip stock out of Hong Kong which unfortunately ain't, because they are all running in X2 mode, and I need them in X1. Clearly they need programming in a parallel system to clear the X2 bit, but I haven't had to parallel burn devices for years, and my old programmer is now throroughly obsolete !!!

I've bought a "Genius G540" programmer which was cheap as chips, and claims to program our device. Has anyone any clue how to set the programmer to put the bootloader in block 1 ?



List of 4 messages in thread
Parallel programming P89V51            01/01/70 00:00      
   P89V51 = SST89V = Microchip SST89            01/01/70 00:00      
   So ... Did Joe's suggestion solve your problem?            01/01/70 00:00      
   do you have enough chips?            01/01/70 00:00      

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