SX1509B gpio equivalent, worlds lowest voltage level shifting gpio.
* 1.2V to 3.6V Low Operating Voltage with Dual Independent I/O Rails (VCC1, VCC2) Enable Direct Level Shifting Between I/O Banks and Host Controller 5.5V Tolerant I/O.
The SX1508B and SX1509B have the ability to generate mask-programmable interrupts based on a falling/rising edge of an.
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