>Hello!
>
>What I would like to do is interface the 93LC56 serial eeprom and the
>DS1620 digital thermometer with the PIC16C74. For that, I was thinking
>using the pic's built-in SPI. What I would like to know is, with the
>Serial Peripheral Interface (SPI) protocol, can I have multiple slaves
>on the same bus? For instance, the 16C74 would act as the master and the
>other two as slaves. I know with I2C you can do that but for SPI? Thank
>you very much! And sorry for the newbie question!
>
>Jean-Francois


Yes, you can put multiple slaves on an SPI-type bus, but--unlike I2C--each
slave chip will require its own select line. You can do this with other
port I/O pins. Just make sure that only one slave is enabled at a time and
there will be no bus contention.

--BN

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