Transputer reset

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2 total messages Started by Kevin James Bertram Wed, 10 Oct 1990 23:23

#1033

Author: Kevin James Bertram
Date: Wed, 10 Oct 1990 23:23

14 lines
1032 bytes

	I have a question concerning the Transputer of which no answer
has become obvious through either the data sheets or normal contact.
The problem is: should the ERROROUT signal of any of the CPU's get reset
                to an inactive state after a reset. (not analyse state)?
                This is assuming that the CPU does not have an ERRORIN
                input, or if it did then it is at a inactive state.

I ask this because my experience says it doesn't. At least with the T8's
and T414's. BUT T400 do clear their ERROROUT line on reset. So which is
true? Is it luck that the T400's do reset ERROROUT?

Thanks.
	-Kevin  (kevina@latcs1.oz)

Re: Transputer reset

#1042

Author: David Boreham
Date: Mon, 15 Oct 1990 10:42

13 lines
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In article <8972@latcs1.oz.au> kevin@latcs1.oz.au (Kevin James Bertram) writes:
>
>I ask this because my experience says it doesn't. At least with the T8's
>and T414's. BUT T400 do clear their ERROROUT line on reset. So which is
>true? Is it luck that the T400's do reset ERROROUT?

Jumped the gun a bit on the previous reply. All new devices which have
breakpointing features (T225,415,400,805) DO reset the error flag
when the hardware is reset. Other devices (T800, T414, 222) DO not.

David Boreham, INMOS Limited | mail(uk): davidb@inmos.co.uk or ukc!inmos!davidb
Bristol,  England            |     (us): uunet!inmos.com!davidb
+44 454 616616 ex 547        | Internet: davidb@inmos.com

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