BQ24187 Datasheet, PDF (25/44 Pages) Texas Instruments – 1A USB-OTG Support

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Programming (continued)
Not Recommended for New Designs
bq24187
SLUSBM0 – APRIL 2014
Data Output
by Transmitter
Data Output
by Receiver
Not Acknowledge
Acknowledge
SCL From
Master
START
Condition
1
2
8
Figure 14. Acknowledge On The I²C Bus
9
Clock Pulse for
Acknowledgement
Recognize START or
REPEATED START
Condition
SDA
MSB
Address
Generate ACKNOWLEDGE
Signal
Acknowledgement
Signal From Slave
Recognize STOP or
REPEATED START
Condition
P
Sr
SCL
S
or
Sr
R/W
ACK
Clock Line Held Low While
Interrupts are Serviced
Figure 15. Bus Protocol
Sr
ACK
or
P
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