VCC3VCC7VCC11VCC15VCC19VCC23VCC27VCC33VCC39VCC55GND4GND8GND12GND16GND20GND24GND28GND34GND40GND47GND50GND56XIN21XOUT22RESET#46SELFPWR45VBUSPOWER26SPI_CS25SPI_SCK48SPI_SD49D–17D+18DD–[1]13DD+[1]14AMBER#[1]36GREEN#[1]35OVR#[1]30PWR#[1]29DD–[2]9DD+[2]10AMBER#[2]38GREEN#[2]37OVR#[2]32PWR#[2]31NC5NC6NC42NC41Reserved53NC54NC1NC2NC44NC43Reserved51NC52EP57