Datasheet

 2011 Microchip Technology Inc. DS39960D-page 515
PIC18F87K22 FAMILY
FIGURE 31-15: EXAMPLE SPI MASTER MODE TIMING (CKE = 1)
TABLE 31-18: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 1 )
Param.
No.
Symbol Characteristic Min Max Units Conditions
73 TDIV2SCH,
T
DIV2SCL
Setup Time of SDIx Data Input to SCKx Edge 20 — ns
73A T
B2B Last Clock Edge of Byte 1 to the 1st Clock Edge
of Byte 2
1.5 TCY + 40 — ns
74 T
SCH2DIL,
T
SCL2DIL
Hold Time of SDIx Data Input to SCKx Edge 40 — ns
75 T
DOR SDOx Data Output Rise Time — 25 ns
76 T
DOF SDOx Data Output Fall Time — 25 ns
78 T
SCR SCKx Output Rise Time (Master mode) — 25 ns
79 T
SCF SCKx Output Fall Time (Master mode) — 25 ns
80 T
SCH2DOV,
T
SCL2DOV
SDOx Data Output Valid after SCKx Edge — 50 ns
81 T
DOV2SCH,
T
DOV2SCL
SDOx Data Output Setup to SCKx Edge T
CY —ns
SCKx
(CKPx =
0)
SCKx
(CKPx =
1)
SDOx
SDIx
81
74
75, 76
78
80
MSb
79
73
bit 6 - - - - - - 1
LSb In
bit 6 - - - - 1
LSb
Note: Refer to Figure 31-3 for load conditions.
MSb In