PIC16C9XX
FIGURE 17-12:I2C BUS START/STOP BITS TIMING
SCL
SDA
91
90
93
92
START
Condition
Refer to Figure 17-2 for load conditions.
STOP
Condition
TABLE 17-10:I2C BUS START/STOP BITS REQUIREMENTS
Parameter
No.
Sym Characteristic
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
* Characterized but not tested.
100 kHz mode
100 kHz mode
100 kHz mode
100 kHz mode
Min Typ Max Units
Conditions
4700 — —
4000 — —
4700 — —
4000 — —
ns
Only relevant for repeated START
condition
ns
After this period the first clock
pulse is generated
ns
ns
DS30444E - page 156
© 1997 Microchip Technology Inc.