PIC18F6390_07 Datasheet, PDF (377/414 Pages) Microchip Technology – 64/80-Pin Flash Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F6390/6490/8390/8490
FIGURE 26-11: EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SS
SCK
(CKP = 0)
SCK
(CKP = 1)
SDO
70
71
72
80
MSb
78
79
79
78
bit 6 - - - - - - 1
LSb
75, 76
SDI
MSb In
bit 6 - - - - 1
Note:
74
73
Refer to Figure 26-4 for load conditions.
LSb In
TABLE 26-13: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
Param
No.
Symbol
Characteristic
Min
Max Units
Conditions
70
TSSL2SCH, SS ↓ to SCK ↓ or SCK ↑ Input
TSSL2SCL
TCY
—
71
TSCH
71A
SCK Input High Time
(Slave mode)
Continuous
Single Byte
1.25 TCY + 30 —
40
—
72
TSCL
72A
SCK Input Low Time
(Slave mode)
Continuous
Single Byte
1.25 TCY + 30 —
40
—
73
TDIV2SCH, Setup Time of SDI Data Input to SCK Edge
TDIV2SCL
100
—
73A TB2B
Last Clock Edge of Byte 1 to the 1st Clock Edge 1.5 TCY + 40 —
of Byte 2
74
TSCH2DIL, Hold Time of SDI Data Input to SCK Edge
TSCL2DIL
100
—
75
TDOR
SDO Data Output Rise Time PIC18FXXXX
—
25
PIC18LFXXXX
—
45
76
TDOF
SDO Data Output Fall Time
—
25
78
TSCR
SCK Output Rise Time
PIC18FXXXX
—
25
(Master mode)
PIC18LFXXXX
—
45
79
TSCF
SCK Output Fall Time (Master mode)
—
25
80
TSCH2DOV, SDO Data Output Valid after PIC18FXXXX
TSCL2DOV SCK Edge
PIC18LFXXXX
—
50
—
100
Note 1: Requires the use of Parameter #73A.
2: Only if Parameter #71A and #72A are used.
ns
ns
ns (Note 1)
ns
ns (Note 1)
ns
ns (Note 2)
ns
ns
ns VDD = 2.0V
ns
ns
ns VDD = 2.0V
ns
ns
ns VDD = 2.0V
© 2007 Microchip Technology Inc.
DS39629C-page 375