博捷集线器芯片BGS3510可替换GL3510跟VL817

　　Features

　　- Upstream port supports Super-Speed, High-Speed and Full-Speed traffic

　　- 4 downstream ports support Super-Speed, High-Speed, Full-Speed, and Low-Speed traffic

　　- 1 control pipe and 1 interrupt pipe

　　- Backward compatible to USB specification Revision 2.0 and 1.1

　　- Support USB 3.2 Gen1x1 U0/U1/U2/U3 power management states

　　- Support USB2.0 Link Power Management (LPM) L0/L1/L2

　　- One TT for each downstream port.

　　- Better data throughput when multiple downstream ports act on Full-Speed/Low-Speed concurrently.

　　- Support BC1.2 Charging Downstream Port (CDP) mode

　　- Support BC1.2 Dedicated Charging Port (DCP) mode

　　- Support Apple 1A/2.1A/2.4A Charger mode (Divider Mode)

　　- Support Samsung Galaxy devices fast-charging

　　- Support Poly-fuse mode and Power Switch mode

　　- Support Gang Mode and Individual Mode

　　- Support external SPI flash for firmware upgrade

　　- Support LED customize control

　　- On-chip 8bit micro-processor

　　- Support Efuse for function configure

　　- Support GPIO pull control at PCB for function configure

　　- Single external 12 MHz crystal

　　- Built-in upstream port 1.5KΩ pull-up and downstream port 15KΩ pull-down resistors

　　- Built-in 5V to 3.3V and 5V to 1.2V regulator