XRA1403 expander equivalent, 16-bit spi gpio expander.
* 1.65V to 3.6V operating voltage
* 16 General Purpose I/Os (GPIOs)
* 5V tolerant inputs
* Maximum stand-by current of 1uA at +1.8V
* SPI bus interfac.
where the power is removed from the remote devices, but they may still be connected to the GPIO expander.
As inputs, the.
The XRA1403 is an 16-bit GPIO expander with an SPI interface. After power-up, the XRA1403 has internal 100K ohm pull-up resistors on each I/O pin that can be individually enabled.
In addition, the GPIOs on the XRA1403 can individually be controlled a.
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