Datasheet

1 2 3 4 5 6 7 8 9
S
0
1
0 0 0 0
AD
DR
1
A
1
A
DatafromPort
A
DatafromPort
P
SCL
SDA
INT
ReadFrom
Port
DataInto
Port
Acknowledge
FromMaster
Acknowledge
FromSlave
Acknowledge
FromMaster
t
iv
t
ir
R/W
Data1 Data4
TCA8418
www.ti.com SCPS215B –SEPTEMBER 2009–REVISED MARCH 2010
Figure 12. Read From Input Port Register
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Product Folder Link(s): TCA8418