posted November 07, 2005 07:27 AM -------------------------------------------------------------------------------- Hi all, I'am unable to simulate peripherals of C8051F120 in keil uVision2. I have got the DCYG.DLL and TCYG.dll files from keil website..and i replaced the existing dll in /C51/BIN directory. But this did not yeild any result.... please guide me regarding this Looking forward for your reply..... Venkatesh T.K