Техническая Спецификация для Microchip Technology AC244045
PIC16(L)F1825/1829
DS41440C-page 374
2010-2012 Microchip Technology Inc.
FIGURE 30-20:
I
2
C™ BUS START/STOP BITS TIMING
FIGURE 30-21:
I
2
C™ BUS DATA TIMING
for load conditions.
SP91
SP92
SP93
SCLx
SDAx
Start
Condition
Stop
Condition
SP90
TABLE 30-16: I
2
C™ BUS START/STOP BITS REQUIREMENTS
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
for load conditions.
SP90
SP91
SP92
SP100
SP101
SP103
SP106
SP107
SP109
SP109
SP110
SP102
SCLx
SDAx
In
SDAx
Out