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PIC18F4680-I Datasheet, PDF (442/482 Pages) Microchip Technology – PIC18F2585/2680/4585/4680 Data Sheet | |||
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PIC18F2585/2680/4585/4680
FIGURE 27-12: EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SCK
(CKP = 0)
SCK
(CKP = 1)
SDO
SDI
70
71
72
78
80
MSb
MSb In
74
73
79
bit 6 - - - - - -1
75, 76
bit 6 - - - -1
Note: Refer to Figure 27-4 for load conditions.
79
78
LSb
LSb In
TABLE 27-14: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
Param
No.
Symbol
Characteristic
Min
Max Units Conditions
73
TDIV2SCH, Setup Time of SDI Data Input to SCK Edge
TDIV2SCL
100
â ns
74
TSCH2DIL, Hold Time of SDI Data Input to SCK Edge
TSCL2DIL
100
â ns
75
TDOR
SDO Data Output Rise Time PIC18FXXXX
â
25 ns
PIC18LFXXXX
â
45 ns VDD = 2.0V
76
TDOF
SDO Data Output Fall Time
â
25 ns
78
TSCR
SCK Output Rise Time
PIC18FXXXX
â
25 ns
PIC18LFXXXX
â
45 ns VDD = 2.0V
79
TSCF
SCK Output Fall Time
â
25 ns
80
TSCH2DOV, SDO Data Output Valid after PIC18FXXXX
â
50 ns
TSCL2DOV SCK Edge
PIC18LFXXXX
â
100 ns VDD = 2.0V
DS39625C-page 440
Preliminary
© 2007 Microchip Technology Inc.
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