bootloader does not work..

[supratik]

Hi bmmilk, Can you let me know is it a blank chip? A blank chip is something whose program memory is completely erased. It could be a brand new IC or somebody has erased it purposefully. Also can you attach your schematic...

[dhouston]

http://mrmackey.no-ip.org/elektronik/ds30loader/

[bmmilk]

Hi bmmilk, Can you let me know is it a blank chip? A blank chip is something whose program memory is completely erased. It could be a brand new IC or somebody has erased it purposefully. Also can you attach your schematic...

Thank for you reply.I have tried a chip i purposely erase and also a chip with program inside.but still cannot work.when i tried to write flash the program showed the words i posted in the previous post.
http://highschoolrobots.com/serial.aspx
this is the schematic i follow to build the bootloader.what can i do with my problem?