Datasheet

 2011-2013 Microchip Technology Inc. DS40001441D-page 211
PIC12(L)F1840
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