Synchronous Client Transmission
Setup
- 1.Set the SYNC and SPEN bits and clear the CSRC bit.
- 2.Select the transmit output pin by
writing the appropriate values to the RxyPPS register and RXxPPS register. Both
selections may enable the same pin.
- 3.Select the clock input pin by writing
the appropriate value to the TXxPPS register.
- 4.Clear the ANSEL bit for the CKx pin (if applicable).
- 5.Clear the CREN and SREN bits.
- 6.If interrupts are desired, set the TXxIE bit of the PIEx
register and the GIE and PEIE bits of the INTCON register.
- 7.If 9-bit transmission is desired, set the TX9
bit.
- 8.Enable transmission by setting the TXEN bit.
- 9.If 9-bit transmission is selected, insert the Most Significant
bit into the TX9D bit.
- 10.Prepare for transmission by writing the eight Least Significant
bits to the TXxREG register. The word will be transmitted in response to the Host clocks
at the CKx pin.