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Dear Sir, I am having a problem with at89s52 on power up. I am doing a project which demands serial communication via serial port. I have gone through one of the threads here, where you had advised one Mr.Bhagirath to use 3-pin rest(MX810). So, I get it that the problem MAY BE in reset button. But, I would also like to share with you the fact that earlier I did not have any arrangement for reset, then it never misbehaved. So, what are the other areas from where this anomaly is rising?
Thank you Mr.Malund. "does it start at all? after how long?" yes, when it starts, it starts immediately without any problem and performs serial communication. However, sometimes it starts working after 5mins to 7mins.
"why do you think specifications are published?" what specifications are you talking about, sir?
Sir, I would like to tell you that initially when I had no reset arrangement, AT89S52 started serial communication without this timing delay or this anomaly at all. That is why , I have asked whether I should use reset arrangement at all.
"why do you think specifications are published?" what specifications are you talking about, sir? e.g. the specifications of reset in the datasheet AND the rest of them, spcifications are tere for a purpose, not for your reading enjoyment.
Erik
Ok, got your point. I shall do as you have said. Thank you very very much for giving me your valuable time, Mr.Malund.