Select the transmit output pin by
writing the appropriate values to the RxyPPS and RXxPPS registers. Both selections may
enable the same pin.
Select the clock output pin by writing
the appropriate values to the RxyPPS and CKxPPS registers. Both selections may enable
the same pin.
Enable the synchronous host serial port by setting bits SYNC,
SPEN and CSRC.
Disable Receive mode by clearing the SREN and CREN bits.
Enable Transmit mode by setting the TXEN bit.
If 9-bit transmission is desired, set the TX9 bit.
If interrupts are desired, set the TXxIE bit of the PIE3
register and the GIE and PEIE bits of the INTCON register.
If 9-bit transmission is selected, the ninth bit may be loaded
in the TX9D bit.
Start transmission by loading data to the TXxREG register.
Figure 28-10. Synchronous Transmission
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