I use Needham programmer , I erased the entire chip and downloaded the same program I used first time , the programming software gave me successful programming and verifying for the chip. when I put the chip in the same board it didn't work , the application is Lift Control system and the board work with P87C51FA-4N (OTP) properly, even with p89v51rb2 it worked the first time properly but not after that.
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P89C51Rx+/P89C51Rx2/P89C66x/P89C6xX2/P89V66x / Re: p89v51rb2 SECOND PROGRAMMING
March 28, 2008, 11:30:40 PM #2
P89C51Rx+/P89C51Rx2/P89C66x/P89C6xX2/P89V66x / p89v51rb2 SECOND PROGRAMMING
March 27, 2008, 04:40:34 AM
I am working on p89v51rb2fn philips microcontroller , I programmed it and
tested it , the second time I earsed the chip and downloaded the same program it didn't work !! what could couse some thing like that ? please help it happend with me with 10 pcs !!! is their a probability that they got burned?
tested it , the second time I earsed the chip and downloaded the same program it didn't work !! what could couse some thing like that ? please help it happend with me with 10 pcs !!! is their a probability that they got burned?
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