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PIC18FXX8 Datasheet, PDF (357/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module | |||
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PIC18FXX8
FIGURE 27-19: MASTER SSP I2C⢠BUS START/STOP BITS TIMING WAVEFORMS
SCL
SDA
91
90
Start
Condition
Note: Refer to Figure 27-5 for load conditions.
93
92
Stop
Condition
TABLE 27-19: MASTER SSP I2C⢠BUS START/STOP BITS REQUIREMENTS
Param
No.
Symbol
Characteristic
Min
Max Units
Conditions
90
TSU:STA Start Condition
100 kHz mode 2(TOSC)(BRG + 1) â ns Only relevant for
Setup Time
400 kHz mode 2(TOSC)(BRG + 1) â
1 MHz mode(1) 2(TOSC)(BRG + 1)
â
Repeated Start
condition
91
THD:STA Start Condition
100 kHz mode 2(TOSC)(BRG + 1) â ns After this period, the
Hold Time
400 kHz mode 2(TOSC)(BRG + 1) â
1 MHz mode(1) 2(TOSC)(BRG + 1)
â
first clock pulse is
generated
92
TSU:STO Stop Condition
100 kHz mode 2(TOSC)(BRG + 1)
â
ns
Setup Time
400 kHz mode 2(TOSC)(BRG + 1) â
1 MHz mode(1) 2(TOSC)(BRG + 1)
â
93
THD:STO Stop Condition
100 kHz mode 2(TOSC)(BRG + 1)
â
ns
Hold Time
400 kHz mode 2(TOSC)(BRG + 1) â
1 MHz mode(1) 2(TOSC)(BRG + 1)
â
Note 1: Maximum pin capacitance = 10 pF for all I2C⢠pins.
FIGURE 27-20:
SCL
SDA
In
SDA
Out
MASTER SSP I2C⢠BUS DATA TIMING
103
100
101
90
91
106
107
109
109
Note: Refer to Figure 27-5 for load conditions.
102
92
110
 2004 Microchip Technology Inc.
DS41159D-page 355
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