PIC18LF8720 Microchip Technology, PIC18LF8720 Datasheet - Page 333

• Manufacturer Part Number: PIC18LF8720
• Description: (PIC18LF6620/6520/8520/6620/8620/6720/8720) 64/80-Pin High-Performance / 64-Kbyte Enhanced Flash Microcontrollers
• Manufacturer: Microchip Technology

TABLE 26-15: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
FIGURE 26-17:
 2004 Microchip Technology Inc.
Param
70
71
71A
72
72A
73
73A
74
75
76
78
79
80
Note 1:
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SCK
SDO
SS
SCK
2:
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SS
SS
SC
SC
SC
SC
SC
SC
SC
SC
Symbol
DI
DI
B
DO
DO
2
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
V2
V2
L2
L2
H
L
H2
L2
R
F
H2
L2
Refer to Figure 26-6 for load conditions.
B
R
F
SC
SC
SC
SC
DI
DO
DI
DO
L
L,
H,
L
H,
L
V
V,
PIC18F6520/8520/6620/8620/6720/8720
SS
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
SDO Data Output Fall Time
SCK Output Rise Time
(Master mode)
SCK Output Fall Time (Master mode)
SDO Data Output Valid after SCK
Edge
EXAMPLE SPI MASTER MODE TIMING (CKE = 1)
81
to SCK
73
MSb In
MSb
74
71
or SCK
75, 76
80
Characteristic
72
Input
bit 6 - - - - - -1
bit 6 - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
LSb In
LSb
1.25 T
1.25 T
1.5 T
79
78
Min
T
100
100
40
40
CY
—
—
—
—
—
—
—
—
CY
CY
CY
+ 40
+ 30
+ 30
Max Units Conditions
100
25
45
25
25
45
25
50
—
—
—
—
—
—
—
—
DS39609B-page 331
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
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V