At 09:30 AM 10/19/04 +1000, you wrote:
>EXTRA SERIAL CHANNEL SELECTION GUIDE
>------------------------------------------
>EXTERNAL UART + CODE + INTERFACE = $$$
>EXTERNAL SPI UART + CODE = $$$
>EXTERNAL MICRO + CODE = $
>BIT-BANGED I/O + CODE = free
That does make the assumption that pins and code are free and that the CPU
isn't already occupied with other time critical functions. ;).
I don't know about the original poster but I place some value on my
time. For a strictly debug it may well be cheaper to simple hang some HW
off a header to SPI or I2C even if the chips are more expensive than a 16550.
Robert
" 'Freedom' has no meaning of itself. There are always restrictions,
be they legal, genetic, or physical. If you don't believe me, try to
chew a radio signal. "
Kelvin Throop, IIIMessage
Re: [lpc2000] 3rd serial port
2004-10-19 by Robert Adsett
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