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'Help in starting up a 17C43'
1999\04\15@053525 by Geoff Wootton

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Hi folks,

I'm having problems getting a 17C43 up and running. I have not programmed C43's
before
and I've just made the board which is untested, so it's the old problem (for me
anyway)
of whether it's hardware or software. I can rule out any programmer problems - t
he warp-17
is working perfectly. Has anyone any suggestions on the following:

1)  My design requires that the 17C43 is run in extended microcontroller mode -
I have
a Samsung 64k 16 bit SRAM on the C,D and E ports, multiplexed by 2 74HC573's. If
I remove
the SRAM and 74HC573's from their sockets can I run the chip as a single microco
ntroller
since the port pins are no longer connected to anything?

2)  Has anyone any code for initialising a 17C43. I have 2 led's connected indiv
idually to
pins on portB and a simple program to turn one on and the other off would suffic
e.

I'd be grateful for any help/advice.


Geoff.

1999\04\15@081816 by WF AUTOMACAO

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Geoff Wootton wrote:
>
> Hi folks,
>
> I'm having problems getting a 17C43 up and running. I have not programmed C43'
s before
> and I've just made the board which is untested, so it's the old problem (for m
e anyway)
> of whether it's hardware or software. I can rule out any programmer problems -
the warp-17
> is working perfectly. Has anyone any suggestions on the following:

Check:

http://www.furb.rct-sc.br/~mw/isd_i.html

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