Datasheet

PIC18(L)F2X/4XK22
DS40001412G-page 212  2010-2016 Microchip Technology Inc.
FIGURE 15-7: SPI DAISY-CHAIN CONNECTION
FIGURE 15-8: SLAVE SELECT SYNCHRONOUS WAVEFORM
SPI Master
SCLK
SDOx
SDIx
General I/O
SCLK
SDIx
SDOx
SSx
SPI Slave
#1
SCLK
SDIx
SDOx
SSx
SPI Slave
#2
SCLK
SDIx
SDOx
SSx
SPI Slave
#3
SCKx
(CKP = 1
SCKx
(CKP = 0
Input
Sample
SDIx
bit 7
SDOx bit 7
bit 6 bit 7
SSPxIF
Interrupt
CKE = 0)
CKE = 0)
Write to
SSPxBUF
SSPxSR to
SSPxBUF
SSx
Flag
bit 0
bit 7
bit 0
bit 6
SSPxBUF to
SSPxSR
Shift register SSPxSR
and bit count are reset