Microchip Technology DV164136 Data Sheet
© 2008 Microchip Technology Inc.
DS39646C-page 411
PIC18F8722 FAMILY
FIGURE 28-19:
I
2
C™ BUS START/STOP BITS TIMING
TABLE 28-20: I
2
C™ BUS START/STOP BITS REQUIREMENTS (SLAVE MODE)
FIGURE 28-20:
I
2
C™ BUS DATA TIMING
Note:
Refer to Figure 28-5 for load conditions.
91
92
93
SCLx
SDAx
Start
Condition
Stop
Condition
90
Param.
No.
Symbol
Characteristic
Min
Max
Units
Conditions
90
T
SU
:
STA
Start Condition
100 kHz mode
4700
—
ns
Only relevant for Repeated
Start condition
Start condition
Setup Time
400 kHz mode
600
—
91
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
—
92
T
SU
:
STO
Stop Condition
100 kHz mode
4700
—
ns
Setup Time
400 kHz mode
600
—
93
T
HD
:
STO
Stop Condition
100 kHz mode
4000
—
ns
Hold Time
400 kHz mode
600
—
Note:
Refer to Figure 28-5 for load conditions.
90
91
92
100
101
103
106
107
109
109
110
102
SCLx
SDAx
In
In
SDAx
Out
Out