PIC18F25J50 MICROCHIP [Microchip Technology], PIC18F25J50 Datasheet - Page 319

• Manufacturer Part Number: PIC18F25J50
• Description: 28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 19-29:
FIGURE 19-30:
 2011 Microchip Technology Inc.
SDAx
SCLx
SEN
S
BCLxIF
SSPxIF
S
BCLxIF
SSPxIF
SDAx
SCLx
SEN
BUS COLLISION DURING START CONDITION (SCLx = 0)
BRG RESET DUE TO SDAx ARBITRATION DURING START CONDITION
SDAx pulled low by other master.
Reset BRG and assert SDAx.
‘0’
‘0’
SCLx = 0 before BRG time-out,
bus collision occurs. Set BCLxIF.
Set SEN, enable Start
sequence if SDAx = 1, SCLx = 1
Less than T
BRG
SDAx = 0, SCLx = 1
SDAx = 0, SCLx = 1
SDAx = 0, SCLx = 1,
set SSPxIF
T
Set SEN, enable Start
sequence if SDAx = 1, SCLx = 1
BRG
S
Set S
PIC18F46J50 FAMILY
T
BRG
T
BRG
Set SSPxIF
SCLx = 0 before SDAx = 0,
bus collision occurs. Set BCLxIF.
SCLx pulled low after BRG
time-out
Interrupt cleared
in software
Interrupts cleared
in software
‘0’
‘0’
‘0’
DS39931D-page 319