PIC18F25J11-I/PT MICROCHIP [Microchip Technology], PIC18F25J11-I/PT Datasheet - Page 316
PIC18F25J11-I/PT
Manufacturer Part Number
PIC18F25J11-I/PT
Description
28/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F25J11-IPT.pdf
(528 pages)
- Current page: 316 of 528
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PIC18F46J11 FAMILY
FIGURE 18-29:
FIGURE 18-30:
DS39932C-page 316
SDAx
SCLx
SEN
BCLxIF
S
SSPxIF
S
BCLxIF
SSPxIF
SDAx
SCLx
SEN
BUS COLLISION DURING START CONDITION (SCLx = 0)
BRG RESET DUE TO SDAx ARBITRATION DURING START CONDITION
‘0’
‘0’
SDAx pulled low by other master.
Reset BRG and assert SDAx.
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
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
© 2009 Microchip Technology Inc.
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