Datasheet

PIC18(L)F1XK22
DS40001365F-page 164  2009-2016 Microchip Technology Inc.
FIGURE 14-25: BUS COLLISION TIMING FOR TRANSMIT AND ACKNOWLEDGE
SDA
SCL
BCLIF
SDA released
SDA line pulled low
by another source
Sample SDA. While SCL is high,
data doesn’t match what is driven
Bus collision has occurred.
Set bus collision
interrupt (BCLIF)
by the master.
by master
Data changes
while SCL = 0