Datasheet

 2011-2013 Microchip Technology Inc. DS40001609B-page 185
PIC16(L)F1508/9
FIGURE 21-5: SPI MASTER/SLAVE CONNECTION
Serial Input Buffer
(BUF)
Shift Register
(SSPxSR)
MSb
LSb
SDOx
SDIx
Processor 1
SCKx
SPI Master SSPM<3:0> = 00xx
Serial Input Buffer
(SSPxBUF)
Shift Register
(SSPxSR)
LSb
MSb
SDIx
SDOx
Processor 2
SCKx
SPI Slave SSPM<3:0> = 010x
Serial Clock
SSx
Slave Select
General I/O
(optional)
= 1010