PIC18F2420-I/SOC01 Microchip, PIC18F2420-I/SOC01 Datasheet - Page 354
![no-image](/images/no-image-200.jpg)
PIC18F2420-I/SOC01
Manufacturer Part Number
PIC18F2420-I/SOC01
Description
28 pin, 16 kb flash, 3804 ram, 25 i/o...
Manufacturer
Microchip
Datasheet
1.PIC18F2420-ISOC01.pdf
(412 pages)
- Current page: 354 of 412
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PIC18F2420/2520/4420/4520
FIGURE 26-16:
TABLE 26-17: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
DS39631E-page 352
Param
70
71
71A
72
72A
73A
74
75
76
77
80
82
83
Note 1:
No.
Note:
(CKP = 0)
(CKP = 1)
SDI
SDI
SCK
SDO
SS
SCK
2:
TssL2scH,
TssL2scL
TscH
TscL
Tb2b
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS ↑ to SDO Output High-Impedance
TscH2doV,
TscL2doV
TssL2doV SDO Data Output Valid after SS ↓
TscH2ssH,
TscL2ssH
Symbol
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
Refer to Figure 26-5 for load conditions.
SS ↓ to SCK ↓ or SCK ↑ Input
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
SDO Data Output Valid after SCK
Edge
Edge
SS ↑ after SCK Edge
82
EXAMPLE SPI SLAVE MODE TIMING (CKE = 1)
70
MSb In
MSb
74
71
75, 76
Characteristic
72
bit 6 - - - - - -1
bit 6 - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
80
LSb In
LSb
1.25 T
1.25 T
1.5 T
3 T
Min
40
40
CY
40
10
CY
—
—
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
+ 30
+ 30
© 2008 Microchip Technology Inc.
77
Max Units Conditions
100
100
—
—
—
—
—
—
25
45
25
50
50
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
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V
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