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Thread: 80c52

  1. #1

    Default 80c52

    hi,
    i am looking for a 80xx series microcontroller with isp programming.
    i have used at89c51rd2,but its too costly,i want its cheaper substitute,8k mem is sufficient,i want to use it instead of at89c51 only,but it must have ISP programming,is 80c52 a proper substitute,can any one tell me the price in pune india,
    same question is present in the forum but the string has not been completed !

    i wanted to do the serial progrramer for at89c51 ,by myself and did build Easy31 (EZ31)
    but it didnt work and so want to shift to ISP).
    any sugggestions from your side?
    rohitd

  2. #2
    Super Moderator T-1000 docel's Avatar
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    Default

    Hi rohitd,
    You cannot substitute 80c52 in place of 89c51. 80c52 has no onboard memory. It is also non ISP. Probably 89s8252...
    You will still need some interface to program.
    Perhaps we can help you with the EZ31....it can program the 20pin 89c2051, but it CANNOT program 89c51/52????
    I think you are confused. Tell us what your need/problem is clearly and we can help out.
    docel
    ^Anything is possible..
    after YOU prove it!!

    http://bangalorerobotics.tripod.com

  3. #3
    Super Moderator T-1000 docel's Avatar
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    and strings are not complete because people dont respond or acknowledge the help given. When you start a thread, you must acknowledge and close.
    Why did you build EZ31 for 89c51?
    docel
    ^Anything is possible..
    after YOU prove it!!

    http://bangalorerobotics.tripod.com

  4. #4
    Administrator T-1000 vikas's Avatar
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    Hi

    no 89CXX series does not supports serial prgrming ( ISP ) u will require 89SXX series for that

    C series is really cheap so they have left features out of it ... especially ISP one .

    try 89s52 / 89s8252 ( very easy 2 prgrm serially ) .

    .... but nothing compared to avr mega

  5. #5

    Default 89c8252 + easy3

    hi all,
    thanx for replying
    i have used the board on the site given below
    http://chaokhun.kmitl.ac.th/~kswichi...2/easy3_1.html

    the board given by VIKRAM TAMBOLI is on that site ,i have used that board.one of my friend had used same board ,he is able to program using that board, he had tried one more board of same type but had failed, so i think the issue is related to pcb design ,it is quite critical ,so i am thinking of designing the same board using orcad, as many tracks are too close.
    also mean while i am thinking of using Cheaper IC with ISP.
    probebaly 89c8252 as you suggested ,is it cheaper than 89c51rd2?

    i will like to know the PRICE if any of you know that,especially in pune.
    rohitd

  6. #6

    Default

    hi,
    i suppose 89s52 is a good choice
    Try hard, as thats the only thing in your hand

  7. #7

    Default

    hi all,

    i found one chip at80s52 ,i found its price on Digi-key.com to be 1.3$ ie ~60Rs,it has 8K flash and all features of 89c51 +ISP is available.
    is it a good choice, and MAIN whats the real price in indian market

    rohitd
    Try hard, as thats the only thing in your hand

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