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Microchip Technology MA160014 Data Sheet

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PIC18(L)F2X/4XK22
DS41412F-page 220
 2010-2012 Microchip Technology Inc.
FIGURE 15-9:
SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 0) 
FIGURE 15-10:
SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 1)    
SCKx
(CKP = 1
SCKx
(CKP = 0
Input
Sample
SDIx
bit 7
SDOx
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SSPxIF
Interrupt 
CKE = 0)
CKE = 0)
Write to
SSPxBUF 
SSPxSR to
SSPxBUF
SSx
Flag
Optional
bit 0
detection active
Write Collision
Valid
SCKx
(CKP = 1
SCKx
(CKP = 0
Input
Sample
SDIx
bit 7
bit 0
SDOx
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SSPxIF
Interrupt 
CKE = 1)
CKE = 1)
Write to
SSPxBUF
SSPxSR to
SSPxBUF
SSx
Flag
Not Optional
Write Collision
detection active
Valid