PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 352

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2420/2520/4420/4520
FIGURE 26-13:
TABLE 26-15: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 1)
DS39631A-page 350
Param.
71
71A
72
72A
73
73A
74
75
76
78
79
80
81
Note 1:
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SCK
SDO
SS
SCK
2:
TscH
TscL
TdiV2scH,
TdiV2scL
Tb2b
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
TdoV2scH,
TdoV2scL
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
Refer to Figure 26-4 for load conditions.
Symbol
EXAMPLE SPI MASTER MODE TIMING (CKE = 1)
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 Byte 1 to the 1st Clock Edge
of Byte 2
Hold Time of SDI Data Input to SCK Edge
SDO Data Output Rise Time PIC18FXXXX
SDO Data Output Fall Time
SCK Output Rise Time
(Master mode)
SCK Output Fall Time (Master mode)
SDO Data Output Valid after
SCK Edge
SDO Data Output Setup to SCK Edge
81
73
MSb In
MSb
74
71
75, 76
Characteristic
80
72
bit 6 - - - - - -1
bit 6 - - - -1
Preliminary
Continuous
Single Byte
Continuous
Single Byte
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
LSb In
LSb
1.25 T
1.25 T
1.5 T
Min
100
100
T
40
40
CY
—
—
—
—
—
79
78
CY
CY
CY
+ 40
+ 30
+ 30
 2004 Microchip Technology Inc.
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
(Note 1)
(Note 1)
(Note 2)
V
V
V
Conditions
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V