PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 345

• Manufacturer Part Number: PIC18F258
• Description: High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 27-12:
TABLE 27-13: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
70
71
71A
72
72A
73
73A
74
75
76
78
79
80
Note 1: Requires the use of parameter # 73A.
Param
2002 Microchip Technology Inc.
No.
Note: Refer to Figure 27-4 for load conditions.
(CKP = 0)
(CKP = 1)
SDI
SS
SCK
SCK
SDO
2: Only if parameter #’s 71A and 72A are used.
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
B
Symbol
2
B
EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SS to SCK or SCK input
SCK input high time
(Slave mode)
SCK input low time
(Slave mode)
Setup time of SDI data input to SCK edge
Last clock edge of Byte1 to the 1st clock edge of
Byte2
Hold time of SDI data input to SCK edge
SDO data output rise time
SDO data output fall time
SCK output rise time
(Master mode)
SCK output fall time (Master mode)
SDO data output valid after
SCK edge
70
80
71
73
MSb In
Characteristic
MSb
74
72
75, 76
Preliminary
Continuous
Single Byte
Continuous
Single Byte
PIC18FXX8
PIC18LFXX8
PIC18FXX8
PIC18LFXX8
PIC18FXX8
PIC18LFXX8
Bit6 - - - - - -1
Bit6 - - - -1
78
79
1.25 T
1.25 T
1.5 T
Min
T
100
100
CY
40
40
—
—
—
—
—
—
—
—
CY
CY
LSb
CY
79
78
LSb In
+ 40
+ 30
+ 30
PIC18FXX8
Max Units
100
25
45
25
25
45
25
50
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS41159B-page 343
(Note 1)
(Note 1)
(Note 2)
Conditions