PIC18F67J11-IPT Datasheet, PDF (264/448 Pages) Microchip Technology – 64/80-Pin High-Performance, 1-Mbit Flash Microcontrollers with nanoWatt Technology

PIC18F87J11 FAMILY
FIGURE 19-27:
SDAx
BUS COLLISION TIMING FOR TRANSMIT AND ACKNOWLEDGE
Data changes
while SCLx = 0
SDAx line pulled low
by another source
SDAx released
by master
Sample SDAx. While SCLx is high,
data doesn’t match what is driven
by the master;
bus collision has occurred.
SCLx
BCLxIF
Set bus collision
interrupt (BCLxIF)
DS39778D-page 264
© 2009 Microchip Technology Inc.