PIC18F87J11_12 Datasheet, PDF (433/466 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Flash Microcontrollers

PIC18F87J11 FAMILY
FIGURE 28-17:
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 28-3 for load conditions.
TABLE 28-23: EXAMPLE SPI SLAVE MODE REQUIREMENTS (CKE = 1)
Param
No.
Symbol
Characteristic
Min
Max Units Conditions
70 TSSL2SCH, SSx  to SCKx  or SCKx  Input
TSSL2SCL
3 TCY
—
70A TSSL2WB SSx  to Write to SSPxBUF
3 TCY
—
71
TSCH
SCKx Input High Time
Continuous
1.25 TCY + 30 —
71A
Single byte
40
—
72
TSCL
SCKx Input Low Time
Continuous
1.25 TCY + 30 —
72A
Single byte
40
—
73 TDIV2SCH, Setup Time of SDIx Data Input to SCKx Edge
TDIV2SCL
25
—
73A TB2B
Last Clock Edge of Byte 1 to the First Clock Edge of 1.5 TCY + 40 —
Byte 2
74 TSCH2DIL, Hold Time of SDIx Data Input to SCKx Edge
TSCL2DIL
35
—
100
—
75
TDOR
SDOx Data Output Rise Time
—
25
76
TDOF
SDOx Data Output Fall Time
—
25
77 TSSH2DOZ SSx  to SDOx Output High-Impedance
10
50
80 TSCH2DOV, SDOx Data Output Valid After SCKx Edge
TSCL2DOV
—
50
82 TSSL2DOV SDOx Data Output Valid After SSx  Edge
—
50
83 TSCH2SSH, SSx  After SCKx Edge
TSCL2SSH
1.5 TCY + 40 —
Note 1: Requires the use of Parameter #73A.
2: Only if Parameter #71A and #72A are used.
ns
ns
ns
ns (Note 1)
ns
ns (Note 1)
ns
ns (Note 2)
ns VDD = 3.3V,
VDDCORE = 2.5V
ns VDD = 2.15V
ns
ns
ns
ns
ns
ns
 2007-2012 Microchip Technology Inc.
DS39778E-page 433