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PIC16F818_13 Datasheet, PDF (136/178 Pages) Microchip Technology – 18/20-Pin Enhanced Flash Microcontrollers with nanoWatt Technology | |||
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PIC16F818/819
TABLE 15-6: SPI MODE REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Typâ Max Units Conditions
70*
TSSL2SCH, SS ï¯ to SCK ï¯ or SCK ï Input
TSSL2SCL
TCY
â â ns
71*
TSCH
SCK Input High Time (Slave mode)
TCY + 20
â â ns
72*
TSCL
SCK Input Low Time (Slave mode)
TCY + 20
â â ns
73*
TDIV2SCH, Setup Time of SDI Data Input to SCK Edge
TDIV2SCL
100
â â ns
74*
TSCH2DIL, Hold Time of SDI Data Input to SCK Edge
TSCL2DIL
100
â â ns
75*
TDOR
SDO Data Output Rise Time
PIC16F818/819
â
PIC16LF818/819
â
10 25 ns
25 50 ns
76*
TDOF
SDO Data Output Fall Time
â
10 25 ns
77*
TSSH2DOZ SS ï to SDO Output High-Impedance
10
â 50 ns
78*
TSCR
SCK Output Rise Time
(Master mode)
PIC16F818/819
â
PIC16LF818/819
â
10 25 ns
25 50 ns
79*
TSCF
SCK Output Fall Time (Master mode)
â
10 25 ns
80*
TSCH2DOV, SDO Data Output Valid after SCK PIC16F818/819
â
TSCL2DOV Edge
PIC16LF818/819
â
â 50 ns
â 145 ns
81*
TDOV2SCH, SDO Data Output Setup to SCK Edge
TDOV2SCL
TCY
â â ns
82*
TSSL2DOV SDO Data Output Valid after SS ï¯ Edge
â
â 50 ns
83*
TSCH2SSH, SS ïï after SCK Edge
TSCL2SSH
1.5 TCY + 40 â â ns
* These parameters are characterized but not tested.
â Data in âTypâ column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
FIGURE 15-14: I2C⢠BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
Start
Condition
Note: Refer to Figure 15-3 for load conditions.
Stop
Condition
DS39598F-page 136
ï£ 2001-2013 Microchip Technology Inc.
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