RE: TI-H: other than a pic or avr expander

To: ti-hardware@lists.ticalc.org
Subject: RE: TI-H: other than a pic or avr expander
From: Grant Stockly <gussie@alaska.net>
Date: Thu, 15 Oct 1998 20:49:15 -0800
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References: <v04020a01b24c6cbe7fd8@[192.168.1.66]>
Reply-To: ti-hardware@lists.ticalc.org


Um...  :)  Any uC can connect to a computer's serial port.  The AVR is fast
enough to do USB.

You'll need that serial line for the EEPROM.  You'll also have to write SPI
handshaking code.

Grant

>Consider this though, I already own a stamp, so the cost is not a problem.
>@nd so what if is slow. Does it really make that big of a difference. I have
>never been in such a hurry that I absolutely had to get a file in less then
>a second. 3rd, the basic stamp 2 only needs a few wires to connect to the
>serial port. So no technical interface other than an RJ-11 to 9pin is
>necessary.
>
>Gregory
>
>Again, just because there is no pic or avr, doesn't mean it won't work.
>
>| Ummm...  Making an expander on the stamp would #1 Cost 2x more than an
>| AVR/PIC/HC version, and be 5x slower.  You have to have an interface to
>| connect any expander no matter what to the computer.

References:

Re: TI-H: other than a pic or avr expander

From: Grant Stockly <gussie@alaska.net>

RE: TI-H: other than a pic or avr expander

From: "Gregory Whitmore" <gwhitmore@mindspring.com>

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