Microchip Technology MA240017 Data Sheet
PIC24F16KA102 FAMILY
DS39927C-page 240
2008-2011 Microchip Technology Inc.
FIGURE 29-9:
I
2
C™ BUS START/STOP BITS TIMING CHARACTERISTICS (MASTER MODE)
TABLE 29-29: I
2
C™ BUS START/STOP BIT TIMING REQUIREMENTS (MASTER MODE)
FIGURE 29-10:
I
2
C™ BUS DATA TIMING CHARACTERISTICS (MASTER MODE)
AC CHARACTERISTICS
Standard Operating Conditions: 2.0V to 3.6V
(unless otherwise stated)
Operating temperature
(unless otherwise stated)
Operating temperature
-40°C
T
A
+85°C for Industrial)
-40°C
T
A
+125°C for Extended
Param
No.
Symbol
Characteristic
Min
(
)
Max
Units
Conditions
IM30
T
SU
:
STA
Start Condition
Setup Time
Setup Time
100 kHz mode
T
CY
/2 (BRG + 1)
—
s
Only relevant for
Repeated Start
condition
Repeated Start
condition
400 kHz mode
T
CY
/2 (BRG + 1)
—
s
1 MHz mode
T
CY
/2 (BRG + 1)
—
s
IM31
T
HD
:
STA
Start Condition
Hold Time
Hold Time
100 kHz mode
T
CY
/2 (BRG + 1)
—
s
After this period, the
first clock pulse is
generated
first clock pulse is
generated
400 kHz mode
T
CY
/2 (BRG + 1)
—
s
1 MHz mode
T
CY
/2 (BRG + 1)
—
s
IM33
T
SU
:
STO
Stop Condition
Setup Time
Setup Time
100 kHz mode
T
CY
/2 (BRG + 1)
—
s
400 kHz mode
T
CY
/2 (BRG + 1)
—
s
1 MHz mode
T
CY
/2 (BRG + 1)
—
s
IM34
T
HD
:
STO
Stop Condition
100 kHz mode
T
CY
/2 (BRG + 1)
—
ns
Hold Time
400 kHz mode
T
CY
/2 (BRG + 1)
—
ns
1 MHz mode
T
CY
/2 (BRG + 1)
—
ns
Note 1:
BRG is the value of the I
2
for details.
2:
Maximum pin capacitance = 10 pF for all I
2
C pins (for 1 MHz mode only).
SCLx
SDAx
Start
Condition
Stop
Condition
Note:
Refer to
for load conditions.
IM31
IM30
IM34
IM33
SCLx
SDAx
In
SDAx
Out
Note:
Refer to
for load conditions.
IM11
IM10
IM40
IM26
IM25
IM20
IM21
IM45