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VP 390 and AT89C51RD2 Reply  
handsome
StanKatz
 I am trying to use VP390 and Ver 4.6.0 to program Atmel AT89C51RD2 using the WL-P44-P4 adapter. When I load the file and program the part, it verifies but the part does not operate. When I read the data it appears OK

When I try a known good programmed part and Read from the chip into the buffer then all locations appear as FF.

What else do I need to check?

Go back list [ Posted:2013-01-31 06:05:13 ] Edit Administer top

Re:VP 390 and AT89C51RD2 Reply  
beautiful
lxx
 It may be secure. Please edit and prog. config. If you want read file from chip, you don"t lock LB0--LB2.
Go back list [ Posted:2013-02-03 10:38:50 ] Edit Administer Top
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