PIC16C7X Datasheet, PDF (213/288 Pages) Microchip Technology – 8-Bit CMOS Microcontrollers with A/D Converter

FIGURE 19-9: SPI MODE TIMING
PIC16C7X
Applicable Devices 72 73 73A 74 74A 76 77
SS
SCK
(CKP = 0)
70
71
72
78
79
SCK
(CKP = 1)
80
79
78
SDO
75, 76
77
SDI
74
73
Note: Refer to Figure 19-1 for load conditions
TABLE 19-8: SPI MODE REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ† Max Units Conditions
70
TssL2scH, SS↓ to SCK↓ or SCK↑ input
TssL2scL
TCY
—
—
ns
71
TscH
SCK input high time (slave mode) TCY + 20
—
—
ns
72
TscL
SCK input low time (slave mode)
TCY + 20
—
—
ns
73
TdiV2scH, Setup time of SDI data input to SCK
100
TdiV2scL
edge
—
—
ns
74
TscH2diL, Hold time of SDI data input to SCK
100
TscL2diL
edge
—
—
ns
75
TdoR
SDO data output rise time
—
10
25
ns
76
TdoF
SDO data output fall time
—
10
25
ns
77
TssH2doZ SS↑ to SDO output hi-impedance
10
—
50
ns
78
TscR
SCK output rise time (master mode)
—
10
25
ns
79
TscF
SCK output fall time (master mode)
—
10
25
ns
80
TscH2doV, SDO data output valid after SCK
—
—
50
ns
TscL2doV edge
† Data in "Typ" column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not
tested.
© 1997 Microchip Technology Inc.
DS30390E-page 213