PIC12F1840 MICROCHIP [Microchip Technology], PIC12F1840 Datasheet - Page 253

• Manufacturer Part Number: PIC12F1840
• Description: 8-Pin Flash Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 25-32:
 2011 Microchip Technology Inc.
SDA
SCL
BCL1IF
BUS COLLISION TIMING FOR TRANSMIT AND ACKNOWLEDGE
Data changes
while SCL = 0
Preliminary
SDA released
by master
SDA line pulled low
by another source
PIC12F/LF1840
Sample SDA. While SCL is high,
data does not match what is driven
by the master.
Bus collision has occurred.
Set bus collision
interrupt (BCL1IF)
DS41441A-page 253