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how and when to read external buffer

Raghu Ravi

HI, i am working on a project. I need to give extrnal data to input of buffer 74ls373 and at the output pin i receive data on pins D0-D7 which is given to the input to the microcontroller data pins (P0). I am using external memory for RAM and ROM.

My problem is when and how should I read data output pins of the buffer and store the output result into external RAM.

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    We think that you are getting ahead of your self with your approach. Please search this forum for the "bible" of 8051 operations. These manuals will tell you exactly how to buffer the data lines.
    Look at the schematics of some of the 8051 eval boards on this website for more hardware details.
    Look at the User's Guide for XBYTE absolute addressing.
    Bradford

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  • 0

    We think that you are getting ahead of your self with your approach. Please search this forum for the "bible" of 8051 operations. These manuals will tell you exactly how to buffer the data lines.
    Look at the schematics of some of the 8051 eval boards on this website for more hardware details.
    Look at the User's Guide for XBYTE absolute addressing.
    Bradford

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