Datasheet

 2011-2013 Microchip Technology Inc. DS40001453E-page 239
PIC16(L)F1847
FIGURE 25-7: SPI DAISY-CHAIN CONNECTION
FIGURE 25-8: SLAVE SELECT SYNCHRONOUS WAVEFORM
SPI Master
SCK
SDOx
SDIx
General I/O
SCK
SDIx
SDOx
SSx
SPI Slave
#1
SCK
SDIx
SDOx
SSx
SPI Slave
#2
SCK
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