PIC16F87 Datasheet, PDF (186/214 Pages) Microchip Technology – 18/20/28-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology

PIC16F87/88
TABLE 18-8: SPI MODE REQUIREMENTS
Param
No.
Symbol
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 edge
TdiV2scL
100
— — ns
74*
TscH2diL, Hold time of SDI data input to SCK edge
TscL2diL
100
— — ns
75*
TdoR
SDO data output rise time
PIC16F87/88
PIC16LF87/88
—
10 25 ns
—
25 50 ns
76*
TdoF
SDO data output fall time
—
10 25 ns
77*
TssH2doZ SS↑ to SDO output high-impedance
10
— 50 ns
78*
TscR
SCK output rise time
(Master mode)
PIC16F87/88
PIC16LF87/88
—
10 25 ns
—
25 50 ns
79*
TscF
SCK output fall time (Master mode)
—
10 25 ns
80*
TscH2doV, SDO data output valid after SCK PIC16F87/88
TscL2doV edge
PIC16LF87/88
—
— 50 ns
—
— 145 ns
81*
TdoV2scH, SDO data output setup to SCK edge
TdoV2scL
TCY
— — ns
82*
TssL2doV SDO data output valid after SS↓ edge
—
— 50 ns
83*
TscH2ssH, SS ↑ after SCK edge
TscL2ssH
1.5 TCY + 40 — — ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
FIGURE 18-14: I²C BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
START
Condition
Note: Refer to Figure 18-3 for load conditions.
STOP
Condition
DS30487B-page 184
Preliminary
 2003 Microchip Technology Inc.