PIC18F25J50 MICROCHIP [Microchip Technology], PIC18F25J50 Datasheet - Page 523

• Manufacturer Part Number: PIC18F25J50
• Description: 28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 30-16:
TABLE 30-24: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
 2011 Microchip Technology Inc.
70
70A
71
71A
72
72A
73
73A
74
75
76
77
80
81
82
83
Note 1:
Param
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SDIx
SSx
SCKx
SCKx
SDOx
2:
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SS
SS
SS
SC
SC
SC
SC
SS
SC
SC
SS
SC
SC
DO
DO
DI
DI
B
DO
DO
Symbol
2
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
V2
V2
L2
L2
L2
L2WB
H2
H2
L2
H2
L2
Refer to
H
L
H2
L2
B
R
F
V2
V2
DO
SC
SC
DO
SS
SC
SC
DI
DO
SS
DO
DI
SC
SC
L
H
L,
H,
L
H,
L
V
V
H,
V,
H,
L
Z
Figure 30-4
SSx  to SCKx  or SCKx  Input
SSx to Write to SSPxBUF
SCKx Input High Time
(Slave mode)
SCKx Input Low Time
(Slave mode)
Setup Time of SDIx Data Input to SCKx Edge
Last Clock Edge of Byte 1 to the First Clock Edge of Byte 2 1.5 T
Hold Time of SDIx Data Input to SCKx Edge
SDOx Data Output Rise Time
SDOx Data Output Fall Time
SSx  to SDOx Output High-Impedance
SDOx Data Output Valid after SCKx Edge
SDOx Data Output Setup to SCKx Edge
SDOx Data Output Valid after SSx  Edge
SSx  after SCKx Edge
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
82
70
73
MSb In
for load conditions.
MSb
74
71
75, 76
Characteristic
72
bit 6 - - - - - - 1
bit 6 - - - - 1
Continuous
Single byte
Continuous
Single byte
80
PIC18F46J50 FAMILY
LSb
LSb In
1.25 T
1.25 T
1.5 T
3 T
3 T
Min
100
T
CY
40
40
25
CY
35
10
—
—
—
—
—
CY
CY
CY
CY
CY
+ 40
+ 40
+ 30
+ 30
83
Max Units
100
70
50
77
—
—
—
—
—
—
—
—
—
—
25
25
50
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS39931D-page 523
(Note 1)
(Note 1)
(Note 2)
V
V
V
V
V
V
DD
DDCORE
DD
DD
DDCORE
DD
Conditions
= 3.3V,
= 2.15V
= 3.3V,
= 2.15V
= 2.5V
= 2.5V