Hardware documents Mainboard Schematic for Firefly-RK3399 Components position reference for Firefly-RK3399 Components Processor: RK3399 brief Rockchip RK3399TRM V1.3 Part1 Rockchip RK3399TRM V1.3 Part2 WIFI/BT:AP6356S Codec:ALC5640 PMU:RK808 Regulator: SYR837/SYR838 SY8113B SY8088 TPS562200 PT5108 Ethernet PHY:RTL8211E(G) USB Hub:FE2.1 Type-C Controller:FUSB302