PIC16F631 Datasheet, PDF (249/294 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
FIGURE 17-12: SPI MASTER MODE TIMING (CKE = 0, SMP = 0)
SS
70
SCK
(CKP = 0)
71
72
78
SCK
(CKP = 1)
SDO
80
MSb
79
bit 6 - - - - - -1
75, 76
SDI
MSb In
bit 6 - - - -1
74
73
Note: Refer to Figure 17-3 for load conditions.
79
78
LSb
LSb In
FIGURE 17-13: SPI MASTER MODE TIMING (CKE = 1, SMP = 1)
SS
SCK
(CKP = 0)
SCK
(CKP = 1)
81
71
72
73
80
SDO
MSb
bit 6 - - - - - -1
75, 76
SDI
MSb In
bit 6 - - - -1
74
Note: Refer to Figure 17-3 for load conditions.
79
78
LSb
LSb In
© 2007 Microchip Technology Inc.
DS41262D-page 247