Datasheet

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