PIC18LF2X_13 Datasheet, PDF (219/560 Pages) Microchip Technology – PIC18(L)F2X/45K50 USB Flash MCU Product Brief

PIC18(L)F2X/4XK22
FIGURE 15-7:
SPI DAISY-CHAIN CONNECTION
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
FIGURE 15-8:
SSx
SCKx
(CKP = 0
CKE = 0)
SCKx
(CKP = 1
CKE = 0)
Write to
SSPxBUF
SSPxBUF to
SSPxSR
SLAVE SELECT SYNCHRONOUS WAVEFORM
Shift register SSPxSR
and bit count are reset
SDOx
SDIx
Input
Sample
SSPxIF
Interrupt
Flag
SSPxSR to
SSPxBUF
bit 7
bit 6
bit 7
bit 7 bit 6
bit 7
bit 0
bit 0
 2010-2012 Microchip Technology Inc.
DS41412F-page 219