PIC18F2682 Datasheet, PDF (445/484 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2682/2685/4682/4685
FIGURE 27-13: EXAMPLE SPI MASTER MODE TIMING (CKE = 1)
81
SCK
(CKP = 0)
71
72
79
73
SCK
(CKP = 1)
80
78
SDO
SDI
MSb
bit 6 - - - - - -1
LSb
MSb In
74
75, 76
bit 6 - - - -1
LSb In
Note: Refer to Figure 27-4 for load conditions.
TABLE 27-15: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 1)
Param.
No.
Symbol
Characteristic
Min
Max Units Conditions
73
TDIV2SCH, Setup Time of SDI Data Input to SCK Edge
TDIV2SCL
74
TSCH2DIL, Hold Time of SDI Data Input to SCK Edge
TSCL2DIL
75
TDOR
SDO Data Output Rise Time PIC18FXXXX
PIC18LFXXXX
76
TDOF
SDO Data Output Fall Time
78
TSCR
SCK Output Rise Time
PIC18FXXXX
PIC18LFXXXX
79
TSCF
SCK Output Fall Time
80
TSCH2DOV, SDO Data Output Valid after PIC18FXXXX
TSCL2DOV SCK Edge
PIC18LFXXXX
81
TDOV2SCH, SDO Data Output Setup to SCK Edge
TDOV2SCL
100
— ns
100
— ns
—
25 ns
—
45 ns VDD = 2.0V
—
25 ns
—
25 ns
—
45 ns VDD = 2.0V
—
25 ns
—
50 ns
—
100 ns VDD = 2.0V
TCY
— ns
© 2007 Microchip Technology Inc.
Preliminary
DS39761B-page 443