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PI3USB223 数据表(PDF) 2 Page - Pericom Semiconductor Corporation |
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PI3USB223 数据表(HTML) 2 Page - Pericom Semiconductor Corporation |
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2 / 10 page ![]() 2 PI3USB223 USB 2.0 High-Speed and Audio Switches with Negative Signal Capability www.pericom.com 10/27/15 All trademarks are property of their respective owners. Pin Description Pin# Name Function 1 D- USBD-fromsystemside 2 R AudioInput(Right) 3 L AudioInput(Left) 4 GND Ground 5 VDD PositiveSupplyVoltageInput.BypassVDDtoGNDwitha0.1µFcapacitorasclosetothedeviceas possible. 6 D-/L CommonTerminalforD-orLeftAudio 7 D+/R CommonTerminalforD+orRightAudio 8 ASEL SwitchSELtooverrideVBUSdetectionwhenVBUSandVDDarebothhigh. IfASELisHIGH,thenaudiopathwillbeon IfASELisLOWthenUSBpathwillbeonASELhasaninternal3M-ohmpull-down 9 VBUS IfASEListiedLOW,thenVBUSdetectioncanbeusedforautoswitching.IfASELisLOW VBUS=HIGHmeansUSBpathisactive 10 D+ USBD+fromsystemside 15-0127 |
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