Datasheet

 2010-2012 Microchip Technology Inc. DS41419D-page 249
PIC16(L)F1824/1828
FIGURE 25-5: SPI MASTER/SLAVE CONNECTION
Serial Input Buffer
(BUF)
Shift Register
(SSP1SR)
MSb
LSb
SDO
SDI
Processor 1
SCK
SPI Master SSP1M<3:0> = 00xx
Serial Input Buffer
(SSP1BUF)
Shift Register
(SSP1SR)
LSb
MSb
SDI
SDO
Processor 2
SCK
SPI Slave SSP1M<3:0> = 010x
Serial Clock
SS
Slave Select
General I/O
(optional)
= 1010