Hello everybody!

I found lot's of information on application point of view of 8051 microcontroller,which is helpful for a 8051 programmer.but , is there any such good information available on 8051 which would be helpful for a start up design engineer like me.
can you please let me know the links where i can get documentation related to same.
please do help me out!

with thanks for your time

regards
swapna