Datasheet

PIC18F46J11 FAMILY
DS39932D-page 502  2011 Microchip Technology Inc.
FIGURE 29-19: MSSPx I
2
C™ BUS START/STOP BITS TIMING WAVEFORMS
TABLE 29-26: MSSPx I
2
C™ BUS START/STOP BITS REQUIREMENTS
FIGURE 29-20: MSSPx I
2
C™ BUS DATA TIMING
Param.
No.
Symbol Characteristic Min Max Units Conditions
90 T
SU:STA Start Condition 100 kHz mode 2(TOSC)(BRG + 1) — ns Only relevant for
Repeated Start
condition
Setup Time 400 kHz mode 2(T
OSC)(BRG + 1) —
91 THD:STA Start Condition 100 kHz mode 2(TOSC)(BRG + 1) — ns After this period, the
first clock pulse is
generated
Hold Time 400 kHz mode 2(T
OSC)(BRG + 1) —
92 TSU:STO Stop Condition 100 kHz mode 2(TOSC)(BRG + 1) — ns —
Setup Time 400 kHz mode 2(TOSC)(BRG + 1) —
93 THD:STO Stop Condition 100 kHz mode 2(TOSC)(BRG + 1) — ns —
Hold Time 400 kHz mode 2(T
OSC)(BRG + 1) —
Note: Refer to Figure 29-4 for load conditions.
91
93
SCLx
SDAx
Start
Condition
Stop
Condition
90
92
Note: Refer to Figure 29-4 for load conditions.
90
91 92
100
101
103
106
107
109
109
110
102
SCLx
SDAx
In
SDAx
Out