AT89S52 and ISP Programming

[kabaza]

Hello. I am using RAM Electronics : ATMEL AVR ISP Programmer "AVR AVRISP V2.0 STK500 USB ISP" [AVR.Programm] - 160.00L.E. to program an at89s52. I am totally new at this. So I wanted to figure out what should I connect to the at89s52 to program it?resistances?vcc? do I use the at89s52 clock? I found this schematic on this site is it correct?


just note I was told NOT to connect vcc to the at89s52 while in the schematic vcc is connected!
Thanks

 

[IanP]

The circuit has to be built exactly as it is on the schematic diagram ( file: SCHEMATIC.pdf ).
As you can see, the microcontroller will be connected to Vcc via transistor Q1 ...
It will happen automatically, when the software is running ...

:wink:
IanP

 

[kabaza]

transistor bc557 == the voltage regulator 7805?

---------- Post added at 14:39 ---------- Previous post was at 14:05 ----------

Also all I got is crystal 11.059 MHZ is that ok?

 

[IanP]

1) the whole circuit should have regulated 5V, so using 7805 should be OK.
You still though need Q1 as the Vcc switch ..

2)11MHz clockl will be to fast; these programmers use 4MHz crystals ..

:wink:
IanP

 

[kabaza]

1) the whole circuit should have regulated 5V, so using 7805 should be OK.
You still though need Q1 as the Vcc switch ..

2)11MHz clockl will be to fast; these programmers use 4MHz crystals ..

:wink:
IanP

Thnx for your help but I setup the circuit as shown above. But when I try to erase/program at89s52 I get this screen

use follow connection with the avr isp.

any help?=/
Thanx

 

[kabaza]

more info !

 

[nandhu015]

Try reducing the programming speed.

 

[kabaza]

Try reducing the programming speed.

I tried all speeds still same error

---------- Post added at 07:13 ---------- Previous post was at 07:12 ----------

Try reducing the programming speed.

I tried all speeds still same error