PIC18F2682-I/PT MICROCHIP [Microchip Technology], PIC18F2682-I/PT Datasheet - Page 225
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PIC18F2682-I/PT
Manufacturer Part Number
PIC18F2682-I/PT
Description
28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2682-IPT.pdf
(484 pages)
- Current page: 225 of 484
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FIGURE 17-27:
FIGURE 17-28:
© 2007 Microchip Technology Inc.
SDA
SCL
SEN
BCLIF
S
SSPIF
SDA
SCL
SEN
BCLIF
S
SSPIF
BUS COLLISION DURING START CONDITION (SCL = 0)
BRG RESET DUE TO SDA ARBITRATION DURING START CONDITION
SDA pulled low by other master.
Reset BRG and assert SDA.
‘0’
‘0’
bus collision occurs. Set BCLIF.
SCL = 0 before BRG time-out,
Set SEN, enable Start
sequence if SDA = 1, SCL = 1
Less than T
BRG
SDA = 0, SCL = 1
PIC18F2682/2685/4682/4685
SDA = 0, SCL = 1
SDA = 0, SCL = 1,
Preliminary
Set SEN, enable START
sequence if SDA = 1, SCL = 1
T
BRG
S
Set S
set SSPIF
T
BRG
T
BRG
Set SSPIF
SCL pulled low after BRG
time-out
SCL = 0 before SDA = 0,
bus collision occurs. Set BCLIF.
Interrupt cleared
in software
Interrupts cleared
in software
‘0’
‘0’
‘0’
DS39761B-page 223
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