Supported DevicesAnalog and Mixed SignalReal-Time ClocksPCF2131: Nano-Power Highly Accurate RTC with Integrated Quartz CrystalInterfacesGeneral Purpose I/O (GPIO)PCAL6524: Ultra-Low-Voltage Translating 24-Bit Fm+ I²C-Bus/SMBus I/O ExpanderPCAL6408A: Low-Voltage Translating, 8-Bit I²C-Bus/SMBus I/O Expander3.3 V / 5 V IO CAN TransceiversTJA1051: High-Speed CAN TransceiverUSB InterfacesPTN5110: US..