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| PIC16F1847_13 Datasheet, PDF (239/440 Pages) Microchip Technology – 18/20/28-Pin Flash Microcontrollers with XLP Technology | |||
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FIGURE 25-7:
SPI DAISY-CHAIN CONNECTION
SPI Master
SCK
SDOx
SDIx
General I/O
PIC16(L)F1847
SCK
SDIx
SDOx
SSx
SPI Slave
#1
SCK
SDIx
SDOx
SSx
SPI Slave
#2
SCK
SDIx
SDOx
SSx
SPI Slave
#3
FIGURE 25-8:
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
ï£ 2011-2013 Microchip Technology Inc.
Preliminary
DS40001453D-page 239
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