PIC18F23K22 Datasheet, PDF (216/492 Pages) Microchip Technology – 28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology

PIC18(L)F2X/4XK22
FIGURE 15-9:
SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 0)
SSx
Optional
SCKx
(CKP = 0
CKE = 0)
SCKx
(CKP = 1
CKE = 0)
Write to
SSPxBUF
Valid
SDOx
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SDIx
bit 7
bit 0
Input
Sample
SSPxIF
Interrupt
Flag
SSPxSR to
SSPxBUF
Write Collision
detection active
FIGURE 15-10:
SSx
Not Optional
SCKx
(CKP = 0
CKE = 1)
SCKx
(CKP = 1
CKE = 1)
Write to
SSPxBUF
Valid
SDOx
SDIx
Input
Sample
SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 1)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
bit 7
bit 0
SSPxIF
Interrupt
Flag
SSPxSR to
SSPxBUF
Write Collision
detection active
DS41412B-page 216
Preliminary
 2010 Microchip Technology Inc.