By stevech - Sat Dec 18, 2010 10:03 am
- Sat Dec 18, 2010 10:03 am #115736
skimask wrote:Just checking - it's common to have one SPI port connect to multiple devices. They're selected with an I/O bit (chip select). Usually, you need a second SPI port only if you must have two concurrent transfers - somewhat unusual. (I'm assuming that the microprocessor is the SPI master).stevech wrote: I'd end up using 5 total SPI ports in addition to 6 USART, so obviously, one SPI would be hardware, but the rest would have to be bit-bang types.