PROFIBUS and 8051

Profibus protocol can reach speeds up to 12Mbit/s, which cannot be obtained using the 8051 asynchronous serial interface.
We normally implement Profibus DP slaves using the Siemens SPC3 chip or the VPC3 from Profichip; Profibus Master ASIC is available only via Siemens.
On this site you can obtain all the informations regarding VPC3 (SPC3 is exactly the same)

http://www.profichip.com

ciao
Bruno

P.S. As far as I know, nobody implements the Profibus protocol into a microcontroller, everybody use the ASICs.
Maybe you are speaking about the Siemens MPI protocol, which is a low speed Profibus like protocol, but no documentation exist about it and it can be implemented only via reverse engineering of the MPI dialog between a Simatic PLC and an MPI peripheral.

Thank you for the HELP, I will take a look at the product.

I just wanna know how is LED interfaced with 8051 uc on its kit.Please reply. thanks and Regards


Amin

Sorry, I don't understand your question.
Can you please specify what LED are you meaning and what 8051 kit?

What kit are you talking about ?

give more details....

"I just wanna know how is LED interfaced with 8051 uc on its kit.Please reply. thanks and Regards"

http://www.keil.com/forum/docs/thread5035.asp

the LED is interfaced on the Kit with 8051 on its board normally for true or false answers that r responed by the program feeded in uc....now how is it done is a question which is normally asked in interview...

Amin I can help you. mail me roboconsystems@yahoo.com I think you are a Pakistani. Are you ???

"Amin I can help you. mail me roboconsystems@yahoo.com"

You're too late. If he hasn't figured out how to connect an LED after 10 months I should think he will have given up and gone back to flipping burgers.

We would all be grateful if you would please avoid posting to long dead threads as they clutter up the forum.

Hey guys stop fighting and no doubt i have got the knowledge of interfacing of LED with the board.