PIC16F631/677/685/687/689/690
TABLE 17-13: I2C™ BUS START/STOP BITS REQUIREMENTS
Param
No.
Symbol
Characteristic
Min Typ Max Units
Conditions
90*
TSU:STA Start condition
Setup time
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
100 kHz mode
400 kHz mode
4700
600
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
ns Only relevant for Repeated
Start condition
91*
92*
93
THD:STA Start condition
Hold time
4000
600
ns After this period, the first
clock pulse is generated
TSU:STO Stop condition
Setup time
4700
600
ns
THD:STO Stop condition
Hold time
4000
600
ns
*
These parameters are characterized but not tested.
FIGURE 17-17:
I2C™ BUS DATA TIMING
103
102
100
101
SCL
90
106
107
91
92
SDA
In
110
109
109
SDA
Out
Note: Refer to Figure 17-3 for load conditions.
DS41262D-page 250
© 2007 Microchip Technology Inc.
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