PIC18F4550-IP Datasheet, PDF (399/438 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
FIGURE 28-15: I²C™ BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
Start
Condition
Note: Refer to Figure 28-4 for load conditions.
Stop
Condition
TABLE 28-19: I²C™ BUS START/STOP BITS REQUIREMENTS (SLAVE MODE)
Param.
No.
Symbol
Characteristic
Min Max Units
Conditions
90
TSU:STA Start Condition
Setup Time
91
THD:STA Start Condition
Hold Time
92
TSU:STO Stop Condition
Setup Time
93
THD:STO Stop Condition
Hold Time
100 kHz mode 4700
—
ns Only relevant for Repeated
400 kHz mode 600
—
Start condition
100 kHz mode 4000
—
ns After this period, the first
400 kHz mode 600
—
clock pulse is generated
100 kHz mode 4700
—
ns
400 kHz mode 600
—
100 kHz mode 4000
—
ns
400 kHz mode 600
—
FIGURE 28-16:
SCL
SDA
In
SDA
Out
I²C™ BUS DATA TIMING
103
90
91
100
101
106
107
109
109
Note: Refer to Figure 28-4 for load conditions.
102
92
110
© 2009 Microchip Technology Inc.
DS39632E-page 397