PIC18LF452 Microchip Technology, PIC18LF452 Datasheet - Page 281

• Manufacturer Part Number: PIC18LF452
• Description: (PIC18LFxx2) Enhanced FLASH Microcontrollers
• Manufacturer: Microchip Technology

FIGURE 22-13:
TABLE 22-12: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 1)
71
71A
72
72A
73
73A
74
75
76
78
79
80
81
Note 1: Requires the use of Parameter # 73A.
Param.
2002 Microchip Technology Inc.
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SS
SCK
SCK
SDO
2: Only if Parameter # 71A and # 72A are used.
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
TdoV2scH,
TdoV2scL
B
Symbol
Refer to Figure 22-4 for load conditions.
2
B
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) PIC18FXXX
SCK output fall time (Master mode) PIC18FXXX
SDO data output valid after SCK
edge
SDO data output setup to SCK edge
EXAMPLE SPI MASTER MODE TIMING (CKE = 1)
81
73
MSb In
MSb
74
71
75, 76
80
Characteristic
72
bit6 - - - - - -1
bit6 - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXX
PIC18LFXXX
PIC18FXXX
PIC18LFXXX
PIC18LFXXX
PIC18LFXXX
PIC18FXXX
PIC18LFXXX
LSb In
LSb
1.25 T
1.25 T
1.5 T
79
78
Min
100
100
T
40
40
CY
—
—
—
—
—
—
—
—
—
—
CY
CY
CY
+ 40
+ 30
+ 30
PIC18FXX2
Max Units Conditions
150
25
60
25
60
25
60
25
60
50
—
—
—
—
—
—
—
—
DS39564B-page 279
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)
V
V
V
V
V
DD
DD
DD
DD
DD
= 2V
= 2V
= 2V
= 2V
= 2V