PIC18F258 Datasheet, PDF (349/384 Pages) Microchip Technology – High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN

FIGURE 27-16: I²C BUS START/STOP BITS TIMING
SCL
SDA
91
90
PIC18FXX8
93
92
START
Condition
Note: Refer to Figure 27-4 for load conditions.
STOP
Condition
TABLE 27-17: I²C BUS START/STOP BITS REQUIREMENTS (SLAVE MODE)
Param
No.
Symbol
Characteristic
90
TSU:STA START condition
100 kHz mode
Setup time
400 kHz mode
91
THD:STA START condition
100 kHz mode
Hold time
400 kHz mode
92
TSU:STO STOP condition
100 kHz mode
Setup time
400 kHz mode
93
THD:STO STOP condition
100 kHz mode
Hold time
400 kHz mode
Min
4700
600
4000
600
4700
600
4000
600
Max Units
Conditions
—
ns Only relevant for Repeated
—
START condition
—
ns After this period, the first
—
clock pulse is generated
—
ns
—
—
ns
—
FIGURE 27-17: I²C BUS DATA TIMING
SCL
SDA
In
SDA
Out
103
90
91
109
100
101
106
107
109
Note: Refer to Figure 27-4 for load conditions.
102
92
110
 2002 Microchip Technology Inc.
Preliminary
DS41159B-page 347