Datasheet

© 2009 Microchip Technology Inc. DS41341E-page 237
PIC16F72X/PIC16LF72X
TABLE 23-12: I
2
C™ BUS START/STOP BITS REQUIREMENTS
FIGURE 23-21: I
2
C™ BUS DATA TIMING
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
Setup time 400 kHz mode 600 — —
SP91* THD:STA Start condition 100 kHz mode 4000 — — ns After this period, the first
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 Figure 23-2 for load conditions.
SP90
SP91
SP92
SP100
SP101
SP103
SP106
SP107
SP109
SP109
SP110
SP102
SCL
SDA
In
SDA
Out