PIC16F877-20L Datasheet, PDF (170/218 Pages) Microchip Technology – 28/40-Pin 8-Bit CMOS FLASH Microcontrollers

PIC16F87X
TABLE 15-7: 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
Standard(F)
—
Extended(LF)
—
10
25 ns
25
50 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) Standard(F)
—
10
25 ns
Extended(LF)
—
25
50 ns
79*
TscF
SCK output fall time (Master mode)
—
10
25 ns
80*
TscH2doV, SDO data output valid after SCK Standard(F)
—
TscL2doV edge
Extended(LF)
—
—
50 ns
— 145
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
1.5TCY + 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 15-17: I²C BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
START
Condition
Note: Refer to Figure 15-5 for load conditions.
STOP
Condition
DS30292D-page 170
 1998-2013 Microchip Technology Inc.