PIC18F2221_1 Datasheet, PDF (365/402 Pages) Microchip Technology – Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2221/2321/4221/4321 FAMILY
FIGURE 27-17: I²C™ BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
Start
Condition
Stop
Condition
TABLE 27-18: 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 27-18:
SCL
SDA
In
SDA
Out
I²C™ BUS DATA TIMING
103
90
91
100
101
106
107
109
109
102
92
110
© 2009 Microchip Technology Inc.
DS39689F-page 365