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From: Mark Harriss
X-Mailer: Mozilla 4.78 [en] (Win98; U)
Subject: Re: MC68B50 data sheet
Date: Thu, 17 Oct 2002 19:51:47 +1000
NNTP-Posting-Date: Thu, 17 Oct 2002 19:39:41 EST
Organization: Telstra BigPond Internet Services (http://www.bigpond.com)
What variation of the HC11 are you using? something like an F series?or an FC0?
(6 MHz E clock) if you set your SPI baud rate to 125K baud which even the slow
HC11's should do you should be able to slow the clock to get close to 115200 straight
out of the SPI port and bung it into a MAX232 of some kind.
> Mark Harriss wrote in
> > What are you trying to do?, the HC11 has two built in serial interfaces
> > already.
> > Robert wrote:
> >> I need the data sheet for the Motorola icia MC68B50. Somebody can send
> >> me that?
> >> Or maybe somebody can sugest me a very basic UART to interface my
> >> MC68HC11?
> >> Many thanks
> >> Bob
> With the frequecy I need for my hc11 (20 MHz), I can't get the proper baud
> rate (115200 kbs)...
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