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pinacle said:Here is the another code for 89c51-89c52 in bin
sdfoo said:connect with icdesigner(at)126.com
johnsmith123 said:Build this programmer here:
**broken link removed**
Load the hex file (attached) in the 89S51/52, 89C51/52 or whatever you have.
Use a terminal program to view the menu.
I found that the delay is anywhere in the 13 - 18 range. If it does not work, the delay is not right or the chip is newer than 1998.
DON'T EVEN WASTE your time on an 89C51/52 with a date code higher than 1998!
It won't work.
Good Luck
ronydc said:THANKS,
please give some more information. i think many would not understand the sentence like me -->" I found that the delay is anywhere in the 13 - 18 range."
please explain.
i think you are saying about the erase cycle..? and delays in tht..?
RONY.
i foun some problem when i try to write my micro with AVR ISP program, an error message appear "the device is write lock/protected" so i suppose it's from the previous designer so I decide to buy another micro at89s51, but still the same message appear, I try another program like ponyprog and the message only change word like the device not responding...
is it possible to make a hardware lock so that not random program can write to the micro that put on this module? if it is possible how it is made, so i can remove it and make it work as I need it...
please explain why can't I writa the micro even I bought a new one from the shop that impossible write protected since its sell to be writed purpose...