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PCA9544AD Datasheet(PDF) 11 Page - NXP Semiconductors

Part # PCA9544AD
Description  4-channel I2C-bus multiplexer with interrupt logic
PDF  31 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9544AD Datasheet(HTML) 11 Page - NXP Semiconductors

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PCA9544A
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 5 — 23 April 2014
11 of 31
NXP Semiconductors
PCA9544A
4-channel I2C-bus multiplexer with interrupt logic
7.5 Bus transactions
Fig 12. Write control register
Fig 13. Read control register
002aae299
XXXXX
B2
B1
B0
1
1
0
A2
A1
A0
0
A
S
1
A
P
slave address
START condition
R/W
acknowledge
from slave
acknowledge
from slave
control register
SDA
STOP condition
002aae300
INT
3
INT
2
INT
1
INT
0
X
B2B1B0
1
1
0
A2
A1
A0
1
A
S
1
NA
P
slave address
START condition
R/W
acknowledge
from slave
no acknowledge
from master
control register
SDA
STOP condition
last byte



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