Datasheet

 2011-2012 Microchip Technology Inc. DS41441C-page 243

PIC12(L)F1840

FIGURE 25-32: BUS COLLISION TIMING FOR TRANSMIT AND ACKNOWLEDGE

SDA

SCL

BCL1IF

SDA released

SDA line pulled low

by another source

Sample SDA. While SCL is high,

data does not match what is driven

Bus collision has occurred.

Set bus collision

interrupt (BCL1IF)

by the master.

by master

Data changes

while SCL =