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Hello Everybody.
I want build a serial programmer AT89s52, and i found a lot of this. The problem is my laptop that have just a USB ports and, i found programmers that use other mcu in circuit, like this: **broken link removed**.
But, how can i build this, if i can not programmer the master...
Error in file?!
Hello Everbody..!
I was here with problem about programmers for AT89s52. I found a programmer for it in site: https://rafaelbf.tripod.com/grava.htm.
I can read the flash, and i can write the file that contains the status of memory...
Here is part of status memory file...
Re: 89c51
hello...!
I found the site the explains how to mmc card memory "talks" with uC AT89XXX
It is here:
https://instruct1.cit.cornell.edu/courses/ee476/FinalProjects/s2000/peterdan/final.htm
and, in the same site there are the link for a project of mp3 with AVRs.
Other link is
**broken...
stk200 programmer for at89s52
Hello...!
I review the uCs. Changed for 2 uCs, but the hardware does not works. I try the follow programmers:
**broken link removed**
**broken link removed**
This programmers does not works any but this:
**broken link removed**
can read the signature byte. It...
at89s52 signature bytes
Ok. So, i can use the AT89S8252 programmer for the AT89s52 without problems.
And with any cristal inside the range accept for the uC.
I am using cristals of 5 Mhz - 24 MHz - all r accept for the uC.
But the problem stills.
Look that programmer.
I am using the buffer...
89s52 89s8252
Hi Everyone...!
Sorry for my english, i am from Brazil and student of eletronics and computers.
I am try to work with AT89s52, but the uController do not response the downloader software .
The software and hardware that i am using is here: **broken link removed**
I try with the...
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