PIC18F2685T-I/SP 데이터 시트보기 (PDF) - Microchip Technology
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PIC18F2685T-I/SP
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PIC18F2685T-I/SP Datasheet PDF : 484 Pages
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PIC18F2682/2685/4682/4685
FIGURE 27-12: EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SCK
(CKP = 0)
SCK
(CKP = 1)
70
71
72
78
79
SDO
80
MSb
79
78
bit 6 - - - - - -1
LSb
75, 76
SDI
MSb In
bit 6 - - - -1
LSb In
74
73
Note: Refer to Figure 27-4 for load conditions.
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
— ns
74
TSCH2DIL, Hold Time of SDI Data Input to SCK Edge
TSCL2DIL
100
— ns
75
TDOR
SDO Data Output Rise Time PIC18FXXXX
—
25 ns
PIC18LFXXXX
—
45 ns VDD = 2.0V
76
TDOF
SDO Data Output Fall Time
—
25 ns
78
TSCR
SCK Output Rise Time
PIC18FXXXX
—
25 ns
PIC18LFXXXX
—
45 ns VDD = 2.0V
79
TSCF
SCK Output Fall Time
—
25 ns
80
TSCH2DOV, SDO Data Output Valid after PIC18FXXXX
—
50 ns
TSCL2DOV SCK Edge
PIC18LFXXXX
—
100 ns VDD = 2.0V
DS39761B-page 442
Preliminary
© 2007 Microchip Technology Inc.
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