PIC18F2331 MICROCHIP [Microchip Technology], PIC18F2331 Datasheet - Page 363

• Manufacturer Part Number: PIC18F2331
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 25-11:
TABLE 25-11: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
 2003 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
78
79
80
Note 1:
Param
No.
(CKP = 0)
(CKP = 1)
SDI
SCK
SDO
SS
SCK
Note:
2:
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
B
Symbol
Requires the use of Parameter # 73A.
Only if Parameter # 71A and # 72A are used.
2
Refer to Figure 25-4 for load conditions.
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
PIC18F2331/2431/4331/4431
75, 76
Preliminary
Continuous
Single Byte
Continuous
Single Byte
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
PIC18FXX31
PIC18LFXX31
bit6 - - - - - -1
bit6 - - - -1
78
79
1.25 T
1.25 T
1.5 T
Min
100
100
T
CY
40
40
—
—
—
—
—
—
—
—
LSb
CY
CY
CY
79
78
LSb IN
+ 40
+ 30
+ 30
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
DS39616B-page 361
(Note 1)
(Note 1)
(Note 2)
Conditions