Re: is it possible to interface SPI to serial?
From: Tim Wescott (tim_at_wescottnospamdesign.com)
Date: 02/01/05
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Date: Tue, 01 Feb 2005 13:11:43 -0800
Michael Noone wrote:
> Hi - I'm looking to connect an RF chip with an SPI interface
> (http://www.nordicsemi.no/index.cfm?obj=product&act=display&pro=83) to a
> computer through the serial port. Right now I'm just planning on putting a
> microcontroller that has both a uart and an spi interface between the
> computer and the chip - but are there any more elegant solutions? Thanks,
>
> Michael
Nope, that's probably the best. Look around, there should be some very
small solutions. Don't overlook parts that have UARTs but no SPI -- SPI
is easy to bit-bang. If you hold the baud rate down and you don't mind
consuming lots of processor resources you can even bit-bang asynchronous
serial; I believe that Microchip has app notes.
-- Tim Wescott Wescott Design Services http://www.wescottdesign.com
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