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NXP Semiconductors
UM11111
PCAL6416AEV test board user manual
UM11111
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© NXP B.V. 2018. All rights reserved.
User manual
Rev. 1.0 — 12 April 2018
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Figure 3. Go to device selection
c. Change Slave Address to 0x40 and make sure the Slave presence light is on