• IAP access with Phillips P89C668
    I'm using a Philips P89C668 that provides In-system Application Programming (IAP) with have an entry address at 0xFFF0. Is there a clever way to access the IAP functions directly from C without the need...
  • interfacing gsm modules with microcontroller
    pls, i need help. i am currently writing a project using interactive voice response system and i need to interface a gsm modem to a microcontroller using AT commands. anyone with useful info should pls...
  • How to interface a RF module with a Microcontroller
    Hello, this is my 1st experience with a microcontrroller. But i am aware of the basics of it. I need some information on how to interface a 8051 with a simple RF module. I just want my transmitter to...
  • How to interface GSM module to a microcontroller?
    Dear Andy, I am new here and I have some questions to ask you about. I have just started with my school project (bus tracking system). My part in this project is to interface GSM using a microcontroller...
  • Declaring RAM areas for P89C668 (xdata problems)
    I believe I'm doing something incorrectly, probably relating to how I initialize and tell keil where RAM memory resides at. I'm using the latest version of uVision and C compiler. The P89C668 has 8k...