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PCA9535EC

ON Semiconductor
Part Number PCA9535EC
Manufacturer ON Semiconductor
Description 16-bit Low-Power I/O Expander
Published Sep 2, 2015
Detailed Description DATA SHEET www.onsemi.com I/O Expander for I2C Bus with Interrupt, Low-Power, 16-bit PCA9535E, PCA9535EC The PCA9535E a...
Datasheet PDF File PCA9535EC PDF File

PCA9535EC
PCA9535EC

Overview
DATA SHEET www.
onsemi.
com I/O Expander for I2C Bus with Interrupt, Low-Power, 16-bit PCA9535E, PCA9535EC The PCA9535E and PCA9535EC devices provide 16 bits of General Purpose parallel Input / Output (GPIO) expansion through the I2C−bus / SMBus.
The PCA9535E and PCA9535EC consist of two 8−bit Configuration (Input or Output selection); Input, Output and Polarity Inversion (active−HIGH or active−LOW operation) registers.
At power on, all I/Os default to inputs.
Each I/O may be configured as either input or output by writing to its corresponding I/O configuration bit.
The data for each Input or Output is kept in its corresponding Input or Output register.
The Polarity Inversion register may be used to invert the polarity if the read register.
All registers can be read by the system master.
The PCA9535E, identical to the PCA9655E but with the internal I/O pull−up resistors removed, has greatly reduced power consumption when the I/Os are held LOW.
The PCA9535EC is identical to the PCA9535E ...


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