• Addressing 8255
    Hi, I have a Philips RD2 board with a memory mapped 8255 with ports A at 8000H, B at 8001H, C at 8002H and a control port at 8003H. How do I set up my defines so that I can just refer to these...
  • 8255 simulation
    Is it possible to simulate the 8255 by a plugin or anything else in keil µvision 2 ? Greetings Martin
  • 8255 interface
    if some one trys searching the 8255 with 8051, many many basterds ARE WRITING MANY MANY THINGS BUT no one writes about the method howto do it with c and with keil. is any basterd there in this world...
  • 89c51 port epansion with 8255 keil c
    I just found a more recent source code which isnt mine which uses the commands u used. They only work with the recent versions of Keil (after Microsoft bought Keil) because i have an older version and...
  • 89c51 port epansion with 8255 keil c
    hi friends, i wanted to increase the port pins with the help of 8255 for 89c51 mcu(atmel) does any one have the c codes that can work with keil uvision (or c51 compiler). i simply require a...