PIC18F2220 MICROCHIP [Microchip Technology], PIC18F2220 Datasheet - Page 337

• Manufacturer Part Number: PIC18F2220
• Description: 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 26-16:
TABLE 26-17: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
 2003 Microchip Technology Inc.
70
71
71A
72
72A
73A
74
75
76
77
78
79
80
82
83
Note 1:
Param
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SDI
SCK
SDO
SS
SCK
2:
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
TscH2ssH,
TscL2ssH
SS
SS
SC
SC
SC
SC
SS
SC
SC
SC
SC
SS
Symbol
B
DO
DO
Requires the use of Parameter # 73A.
Only if Parameter # 71A and # 72A are used.
Refer to Figure 26-5 for load conditions.
2
L2
L2
H2
H2
L2
L2
H
L
H2
L2
R
F
B
R
F
SC
SC
DO
DO
DI
DO
DO
DI
L
L,
H,
L
V
V SDO Data Output Valid after SS
V,
Z SS to SDO Output High-Impedance
SS
SCK Input High Time
(Slave mode)
SCK Input Low Time
(Slave mode)
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
Edge
SS
82
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
to SCK
after SCK edge
MSb In
MSb
74
71
or SCK
75, 76
Characteristic
72
PIC18F2220/2320/4220/4320
bit 6 - - - - - -1
Input
bit 6 - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
PIC18FXX20
PIC18LFXX20
80
LSb
LSb In
1.25 T
1.25 T
1.5 T
Min
T
100
CY
CY
40
40
10
—
—
—
—
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
100
25
45
25
50
25
45
25
50
50
—
—
—
—
—
—
—
—
DS39599C-page 335
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)