i took a look in the 8052 website
but i do not want to interface with an isa card i want to make it just like the serial or the parallel port
meanning i want to connect the micro to the net via rj45.
thanks feiutm9898 for your help
i have found this project (web-51)
it is based on a 8052 MCU
if you have got time pleas check it out and tell me
you opinion i will appreciate it .
thanks