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PIC18F87J10 Datasheet, PDF (364/394 Pages) Microchip Technology – 64/80-Pin High-Performance, 1-Mbit Flash Microcontrollers with nanoWatt Technology | |||
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PIC18F87J10 FAMILY
FIGURE 26-14:
SSx
EXAMPLE SPI⢠SLAVE MODE TIMING (CKE = 1)
82
70
SCKx
(CKP = 0)
83
71
72
SCKx
(CKP = 1)
80
SDOx
MSb
bit 6 - - - - - - 1
LSb
SDIx
75, 76
77
MSb In
bit 6 - - - - 1
LSb In
74
Note: Refer to Figure 26-2 for load conditions.
TABLE 26-19: EXAMPLE SPI⢠SLAVE MODE REQUIREMENTS (CKE = 1)
Param
No.
Symbol
Characteristic
Min
Max Units Conditions
70 TSSL2SCH, SSx â to SCKx â or SCKx â Input
TSSL2SCL
TCY
â
71 TSCH
71A
SCKx Input High Time
(Slave mode)
Continuous
Single Byte
1.25 TCY + 30 â
40
â
72 TSCL
72A
SCKx Input Low Time
(Slave mode)
Continuous
Single Byte
1.25 TCY + 30 â
40
â
73A TB2B
Last Clock Edge of Byte 1 to the First Clock Edge of Byte 2 1.5 TCY + 40 â
74 TSCH2DIL, Hold Time of SDIx Data Input to SCKx Edge
TSCL2DIL
100
â
75 TDOR
SDOx Data Output Rise Time
â
25
76 TDOF
SDOx Data Output Fall Time
â
25
77 TSSH2DOZ SSx â to SDOx Output High-Impedance
10
50
78 TSCR
SCKx Output Rise Time (Master mode)
â
25
79 TSCF
SCKx Output Fall Time (Master mode)
â
25
80 TSCH2DOV, SDOx Data Output Valid after SCKx Edge
TSCL2DOV
â
50
82 TSSL2DOV SDOx Data Output Valid after SSx â Edge
â
50
83 TSCH2SSH, SSx â after SCKx Edge
TSCL2SSH
1.5 TCY + 40 â
Note 1: Requires the use of Parameter #73A.
2: Only if Parameter #71A and #72A are used.
ns
ns
ns (Note 1)
ns
ns (Note 1)
ns (Note 2)
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS39663A-page 362
Advance Information
 2005 Microchip Technology Inc.
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