• Address bits in XDATA
    Hi, I am looking for a way to write some C51 functions to set or clear bits stored in the 8051 external data memory. For example, the following code was done in the 8051 assembly language: ;******...
  • Writing to non addressable bits
    Hi, I am trying to get to grips with the Keil C compiler. I understand that not all SFR's are bit addressable, if not evenly divisible by 0 or 8 - a pain if you ask me! - you can tell i am new to this...
  • accessing bit addressable memory
    hi friend's i am new user to the keil c51 i want your help. my question is how to assess the bit addressable memory i have tried with follwing thing but it does not work bdata unsigned char ibase;...
  • How to access bit addressable?
    Here is one to help a mechanical engineering student trying to program a microcontroller. P5 is a bit addressable register. In the header reg517.h is only the definiton of P5 as a sfr . How do I access...
  • Making SFR bit addressable
    We are using Cypress Microcontroller with Keil uVision 2 platforms. One of Cypress register OEB (address = 0xB2) non-bit addressable SFR registry. In our application we are planning to use as a bit...