Datasheet

 2010-2012 Microchip Technology Inc. DS41419D-page 253
PIC16(L)F1824/1828
FIGURE 25-9: SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 0)
FIGURE 25-10: SPI MODE WAVEFORM (SLAVE MODE WITH CKE = 1)
SCK
(CKP = 1
SCK
(CKP = 0
Input
Sample
SDI
bit 7
SDO bit 7
bit 6
bit 5 bit 4
bit 3
bit 2
bit 1 bit 0
SSP1IF
Interrupt
CKE = 0)
CKE = 0)
Write to
SSP1BUF
SSP1SR to
SSP1BUF
SS
Flag
Optional
bit 0
detection active
Write Collision
Valid
SCK
(CKP = 1
SCK
(CKP = 0
Input
Sample
SDI
bit 7
bit 0
SDO bit 7
bit 6
bit 5 bit 4
bit 3 bit 2
bit 1 bit 0
SSP1IF
Interrupt
CKE = 1)
CKE = 1)
Write to
SSP1BUF
SSP1SR to
SSP1BUF
SS
Flag
Not Optional
Write Collision
detection active
Valid