PIC16F883 Microchip Technology Inc., PIC16F883 Datasheet - Page 203

• Manufacturer Part Number: PIC16F883
• Description: 28/40/44-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

FIGURE 13-22:
FIGURE 13-23:
© 2007 Microchip Technology Inc.
SDA
SCL
SEN
BCLIF
S
SSPIF
SDA
SCL
SEN
BCLIF
S
SSPIF
BUS COLLISION DURING START CONDITION (SCL = 0)
‘0’
‘0’
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
SDA pulled low by other master
Reset BRG and assert SDA
SCL =0 before BRG time-out,
Bus collision occurs, set BCLIF
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
Less than T
BRG
SDA = 0, SCL = 1
SDA = 0, SCL = 1
PIC16F882/883/884/886/887
Preliminary
T
SDA = 0, SCL = 1
Set SSPIF
BRG
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
S
Set S
T
BRG
T
BRG
Set SSPIF
SCL = 0 before SDA = 0,
Bus collision occurs, set BCLIF
SCL pulled low after BRG
time-out
Interrupt cleared
in software
Interrupts cleared
in software
‘0’
‘0’
‘0’
DS41291D-page 201