pca9548ad NXP Semiconductors, pca9548ad Datasheet - Page 11

• Manufacturer Part Number: pca9548ad
• Description: 8-channel I2c Switch With Reset
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PCA9548A_2
Product data sheet
7.5 Bus transactions
Data is transmitted to the PCA9548A control register using the Write mode as shown in
Figure
Data is read from PCA9548A using the Read mode as shown in
Fig 12. Write control register
Fig 13. Read control register
SDA
SDA
12.
START condition
START condition
S
S
1
1
1
1
slave address
slave address
Rev. 02 — 25 September 2006
1
1
0
0
A2
A2
A1
A1
A0
A0
R/W
R/W
0
1
A
A
acknowledge
from slave
acknowledge
from slave
B7
B7
8-channel I
B6
B6
B5
B5
control register
control register
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
B4
B4
B3
B3
2
C-bus switch with reset
Figure
PCA9548A
B2
B2
no acknowledge
B1
acknowledge
B1
13.
from master
from slave
STOP condition
STOP condition
B0
B0
last byte
002aab205
002aab206
NA
A
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P
P