Microchip Technology AC244045 Data Sheet
© 2009 Microchip Technology Inc.
DS41341E-page 237
PIC16F72X/PIC16LF72X
TABLE 23-12: I
2
C™ BUS START/STOP BITS REQUIREMENTS
FIGURE 23-21:
I
2
C™ BUS DATA TIMING
Param
No.
Symbol
Characteristic
Min.
Typ
Max. Units
Conditions
SP90*
T
SU
:
STA
Start condition
100 kHz mode
4700
—
—
ns
Only relevant for Repeated
Start condition
Start condition
Setup time
400 kHz mode
600
—
—
SP91*
T
HD
:
STA
Start condition
100 kHz mode
4000
—
—
ns
After this period, the first
clock pulse is generated
clock pulse is generated
Hold time
400 kHz mode
600
—
—
SP92*
T
SU
:
STO
Stop condition
100 kHz mode
4700
—
—
ns
Setup time
400 kHz mode
600
—
—
SP93
T
HD
:
STO
Stop condition
100 kHz mode
4000
—
—
ns
Hold time
400 kHz mode
600
—
—
*
These parameters are characterized but not tested.
Note: Refer to Figure 23-2 for load conditions.
SP90
SP91
SP92
SP100
SP101
SP103
SP106
SP107
SP109
SP109
SP110
SP102
SCL
SDA
In
In
SDA
Out
Out