PIC16F818/819
TABLE 15-7: I2C™ BUS START/STOP BITS REQUIREMENTS
Param
Symbol
Characteristic
Min Typ Max Units
Conditions
No.
90*
TSU:STA
Start Condition
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
Setup Time
Start Condition
Hold Time
91*
92*
93
THD:STA
TSU:STO
THD:STO
4000
600
ns After this period, the first clock
pulse is generated
Stop Condition
Setup Time
Stop Condition
Hold Time
4700
600
ns
4000
600
ns
*
These parameters are characterized but not tested.
FIGURE 15-15:
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 15-3 for load conditions.
2004 Microchip Technology Inc.
DS39598E-page 139
MICROCHIP [ MICROCHIP ]
