USB

Clock XTL,OSC D+/D-

USB host controller(IC)

ClockD+/D-,Clock/, D+/D-PCBConnector( I/O connector,,)

D+/D-90,2451arc,

D+/D-,Clock,ICXTLOSC

D+/D-Stub,,,200mil.(SWITCH IC

PI3USB10

D+/D-VCC or GND Planes,,VCC or GND Planes

D+/D-

USB,,

20,TraceVCC GND Planes20(4.5milTracePlanes90mil,,PCB

High Speed USB Termination

*IC,HS Output200mil*Downstream Ports15KUSBPIN.(IC)

High Speed USB Trace Spacing

D+/D-,90

90

D+/D-Clock,,,EMIClock50mil

,USB20mil,

D+/D-,200mil(5.08mm)

,,USB,ClockTrace

Plane Split25milUSB.( USB Trace AGND,,D+/D-AGND25mil)

(MP1527),PCBConnector,PCBTrace

XTLOSCPCB,XTLOSCGNDFootprint,ViaGND,

END

Clock,XTLOSCUSBIC,USB Trace, I/O port, PCB,Pin header,Jack,(VCCGND).USB TracePCB

USB USB host controller(IC)ClockD+/D-,Clock/, D+/D-PCBConnector( I/O connector,,)D+/D-90,2451arc,D+/D-,Clock,ICXTLOSCD+/D-Stub,,,200mil.(SWITCH IC PI3USB10D+/D-VCC or GND Planes,,VCC or GND PlanesD+/D-USB,,High Speed USB TerminationHigh Speed USB Trace SpacingD+/D-,200mil(5.08mm),,USB,ClockTracePlane Split25milUSB.( USB Trace AGND,,D+/D-AGND25mil)(MP1527),PCBConnector,PCBTraceXTLOSCPCB,XTLOSCGNDFootprint,ViaGND,END