> suppose the module is "sleeping". How do I wake it up through > SPI since when it's sleeping, the SPI portion doesn't work That's only true for Master mode. In Slave mode the PIC will wake up when 8 bits have been received if the SSP flag is set and enabled -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu