Data Sheet

TeledyneLeCroyCorporation PowerTracker:VBusandConfigurationChannel(CC)
514 USBProtocolSuiteUserManual
Configuration Channel (CC) Pins
VoyagerM310CalsoprovidesthevoltagesoftheConfigurationChannel(CC)pinsina
separatewindow(CCPowerTrackerView).Left“Adapter”isforConnector1(CC1L,CC2L)
andRight“MacBook”isforConnector2(CC1R,CC2R).SeeFigure 10.66.
Figure 10.66: Configuration Channel (CC) Power Tracker Display: Packet 107
TheConfigurationChannelpinsinaUSB3.1TypeCconnectorcanbeusedtodeterminea
varietyoffunctions:
 AttachmentofUSBPortDetection
 CableOrientationDetection
 RoleDetection
 CurrentModeAdvertisementandDetection(Default,MediumandHigh)
TheanalyzermonitorstheCC1andCC2pinsforpulluporpulldownresistancesto
determinewhenaUSBPorthasbeenattached,theorientationofthecableandtherole
detected.RdmeansthePortisconfiguredtosinkcurrent.RpmeansthatthePortis
configuredtosourcecurrent.RameansthatthePorthasbeenconfiguredtohigh
impedance.Openmeansthatthecableisunattached.
Packet107displaysthevoltagesontheCCpinsareasfollows:
 CC1Left = 008.750mV
 CC2Left = 001.250mV
 CC1Right = 692.670mV
 CC2Right = 001.528mV
Thevoltagesvaluescanbereadinthecoloredtabs(Figure 10.67onpage 515)orinthe
graywindowthatpopsup.SeeFigure 10.68onpage 515.
SelectionTool
CC1L,CC2L,
CC1R,CC2R
CC1L,CC2L,
CC1R,CC2R
Legend