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Philips 8031 chip keeps reseting

My company is using Philips 8031 chip. The
new batch of chips we received, every one of
them keeps reseting itself when when
it come accross the PRINTF statement !!!
The c-code works fine with the old 8031 chip !!

Does anybody in this forum experience such
problem? The PRINTF statement we are using
is to send out a stream of characters to
the RS232 port. It is a SOFTWARE routine, we
are not used the built-in UART, could this
be the problem? however, I was very confused why the old chip works !!!

Thanks in advance, any helps or suggestions are veru
appreciated.

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  • Hi,

    You are absolutely right,we should initialize any variables before use them. In fact, I was extremely lucky, because the old code with init. problem worked well on Intel and Philips chips for years but did not work with Winbond chips at all.

    Xiao J

Reply
  • Hi,

    You are absolutely right,we should initialize any variables before use them. In fact, I was extremely lucky, because the old code with init. problem worked well on Intel and Philips chips for years but did not work with Winbond chips at all.

    Xiao J

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