... Resume Mode and Remote Wakeup with Volume ControlPinsSingle 12MHz Crystal Input with On-chip PLL and Embedded USB TransceiverJumper Pin for ... For Headset Mode, USB Audio Function Topology has 2 Input Terminals, 2 Output Terminals, 1 Mixer Unit, 1 Selector Unit, and ... ModeFor Speaker Mode, USB Audio Function Topology has 1 Input Terminal, 1 Output Terminal, and 1 Feature UnitSupport One Control Endpoint, ...