[51] [Help] Need programmer circuit for AT89S52

[nitin0836]

i need circuit to build my own programmer for at89s52 using rs232... i have checked google but i could only find circuit using at89c51. i need small circuit.. need help

 

[ALERTLINKS]

**broken link removed**

 

[ctownsend]

i need circuit to build my own programmer for at89s52 using rs232... i have checked google but i could only find circuit using at89c51. i need small circuit.. need help

https://www.edaboard.com/threads/180513/

or

https://www.edaboard.com/threads/196326/#post843389

 

[srenjis]

Sunrom programmer circuit and software for 89c52 and 89c https://www.edaboard.com/threads/163263/#post1316930