PCA9547 データシートの表示（PDF） - Philips Electronics

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PCA9547

8-channel I2C-bus multiplexer with reset

Philips Electronics 

Philips Semiconductors

PCA9547

8-channel I2C-bus multiplexer with reset

7.4 Bus transactions

Data is transmitted to the PCA9547 control register using the Write mode as shown in

Figure 12.

slave address

control register

SDA S 1 1 1 0 A2 A1 A0 0 A X X X X B3 B2 B1 B0 A P

START condition

R/W acknowledge

from slave

acknowledge

from slave

STOP condition

002aaa988

Fig 12. Write control register

Data is read from PCA9547 using the Read mode as shown in Figure 13.

slave address

control register

last byte

SDA S 1 1 1 0 A2 A1 A0 1 A X X X X B3 B2 B1 B0 NA P

START condition

Fig 13. Read control register

R/W acknowledge

from slave

no acknowledge

from master

STOP condition

002aaa989

PCA9547_2

Product data sheet

Rev. 02 — 12 September 2006

© Koninklijke Philips Electronics N.V. 2006. All rights reserved.

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