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
Hi - I'm looking to connect an RF chip with an SPI interface
Michael
Michael,
Maxim makes a few chips specifically for spi-uart interfacing. max3100, max 3110, max3111 the latter 2 come in pdip packages if you are doing this homebrew. super simple chips and have worked well for me.
Ron
It is also possible to bit-bang the status lines of the serial port. You need level shifters/drives of course. It moves the programming effort from the uC to to PC's OS
Wim
Look at the Maxim 3100 family. These are SPI interface UARTs, complete with the line drivers built in.
Best Wishes
a
Thanks,
I think they all have. And I know Texas has for the MSP430.
/Anders
I haven't looked too closely at the datasheets but I doubt, my guess is that both the RF and the MAX31xx is a SPI slave i.e. it won't work .....
use a micro instead
-Lasse
"Ron" wrote in news:1107336802.610066.246010 @z14g2000cwz.googlegroups.com:
Ah - the max3110/3111
-Michael
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