Datasheet

Data Output
by Transmitter
SCL From
Master
Start
Condition
S
1 2 8 9
Data Output
by Receiver
Clock Pulse for
Acknowledgment
NACK
ACK
PCA9554
SCPS128B–JULY2006–REVISEDAUGUST2008........................................................................................................................................................ www.ti.com
Figure3.AcknowledgmentontheI
2
CBus
InterfaceDefinition
BIT
BYTE
7(MSB)6543210(LSB)
I
2
CslaveaddressLHLLA2A1A0R/W
PxI/OdatabusP7P6P5P4P3P2P1P0
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ProductFolderLink(s):PCA9554
Not Recommended for New Designs