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PIC18F87K90 Datasheet, PDF (529/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology | |||
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PIC18F87K90 FAMILY
FIGURE 31-11: EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SCKx
(CKP = 0)
SCKx
(CKP = 1)
SDOx
80
MSb
78
79
bit 6 - - - - - - 1
SDIx
MSb In
74
73
75, 76
bit 6 - - - - 1
Note: Refer to Figure 31-3 for load conditions.
79
78
LSb
LSb In
TABLE 31-14: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
Param
No.
Symbol
Characteristic
Min
Max Units
73
TDIV2SCH, Setup Time of SDIx Data Input to SCKx Edge
TDIV2SCL
20
â ns
73A TB2B
Last Clock Edge of Byte 1 to the 1st Clock Edge 1.5 TCY + 40 â ns
of Byte 2
74
TSCH2DIL, Hold Time of SDIx Data Input to SCKx Edge
TSCL2DIL
40
â ns
75
TDOR
SDOx Data Output Rise Time
â
25 ns
76
TDOF
SDOx Data Output Fall Time
â
25 ns
78
TSCR
SCKx Output Rise Time (Master mode)
â
25 ns
79
TSCF
SCKx Output Fall Time (Master mode)
â
25 ns
80
TSCH2DOV, SDOx Data Output Valid after SCKx Edge
TSCL2DOV
â
50 ns
Conditions
ï£ 2010 Microchip Technology Inc.
Preliminary
DS39957B-page 529
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