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wakaka said:www.amwaw.edu.pl/~adybkows/elka/ispprog.html
for this programmer, the software can be run on winxp??
For at89s51,52,53, which xtal should be supplied? 4Mhz? 12MhZ? 20mHZ??
plz reply, tankx
from this circuit, just connect the output from JP2 to the at89s52?
do v need to add any passive components(like resistors and capacitors) in between JP2 and microC??
Do v need to implement pull-up resistor to reset pin?? (but the reset for at89s is enable-high)
WHen do v need to invert reset? during programming AVR or AT9s??
Or can i replace 74lvc244 to 74hc244? prefer dip package, easy to solder......is it possible??
after downloading the program, do v need to to put a pull-down resistor on reset pin as it is active high? or just put one push button connected with reset pin and Vdd??
Abhishek Kakkar said:hynix said:One more good link for ISP programmer
for 89Sxx ('51), ATtiny, ATmega i 90Sxx (AVR) with downloader software
h**p://www.amwaw.edu.pl/~adybkows/elka/ispprog.html
Hi Hynix
I built the circuit and it worked very good.
Thanx ΩΩΩΩ ΩΩΩΩ