PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 335

• Manufacturer Part Number: PIC18F6620
• Description: Microcontroller
• Manufacturer: Microchip

TABLE 26-17: EXAMPLE SPI MODE REQUIREMENTS (SLAVE MODE TIMING, CKE = 0)
FIGURE 26-19:
 2004 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
77
78
79
80
83
Note 1: Requires the use of Parameter #73A.
Param
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SDI
SCK
SDO
SS
SCK
2: Only if Parameter #71A and #72A are used.
T
T
T
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
SS
SC
SC
Symbol
DI
DI
B
DO
DO
2
V2
V2
L2
L2
Refer to Figure 26-6 for load conditions.
H2
H2
L2
H2
L2
H
L
H2
L2
R
F
B
R
F
SC
SC
SC
SC
DO
SS
DI
DO
DO
SS
DI
L
H,
L
H
L,
H,
L
V
H,
PIC18F6520/8520/6620/8620/6720/8720
V,
Z SS
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 First Clock Edge of Byte 2 1.5 T
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 PIC18FXX20
SS
82
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
to SCK
to SDO Output High-Impedance
after SCK Edge
MSb In
MSb
74
71
or SCK
75, 76
Characteristic
72
Input
bit 6 - - - - - -1
bit 6 - - - -1
80
Continuous
Single Byte
Continuous
Single Byte
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
PIC18LFXX20
LSb
LSb In
1.25 T
1.25 T
1.5 T
Min
T
100
100
CY
CY
40
40
10
—
—
—
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
25
45
25
50
25
45
25
50
—
—
—
—
—
—
—
—
—
DS39609B-page 333
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
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V