Support Serial Peripheral Interface (SPI) for firmware upgrade to SPI Flash Memory via USB interface; On-Chip power MOSFETs for all flash media cards power source; On-chip 5V to 3.3V and 3.3V to 1.2V regulator; On board 25 MHz Crystal driver circuit; Support USB 2.0 LPM (Link Power Management) Support USB 3.1 Gen 1 LTM (Latency Tolerance Messaging) gNPn1zY.