Datasheet

 2010 Microchip Technology Inc. Preliminary DS39974A-page 299
PIC18F47J13 FAMILY
FIGURE 20-5: SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 0)
FIGURE 20-6: 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
(SMP = 0)
CKE = 0)
CKE = 0)
(SMP = 0)
Write to
SSPxBUF
SSPxSR to
SSPxBUF
SSx
Flag
Optional
Next Q4 Cycle
after Q2
bit 0
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
(SMP = 0)
CKE = 1)
CKE = 1)
(SMP = 0)
Write to
SSPxBUF
SSPxSR to
SSPxBUF
SSx
Flag
Not Optional
Next Q4 Cycle
after Q2