C-MEDIA骅讯 HS100B 无晶体USB音频单芯片

　　Features

　　Compliant with USB2.0 Full-Speed operation

　　Compliant with USB Audio Device class specification v1.0

　　Supports USB Suspend/Resume Mode and remote wakeup with volume control pins

　　On-chip oscillator that provides reference sources for PLL and embedded USB transceiver

　　Jumper pin for Headset Mode (Playback+Recording) or Speaker/Headphone Mode (Playback Only)

　　Jumper pin for Mixer Unit enable/disable under Headset Mode

　　Jumper pin for Power Mode setting

　　USB audio function topology that has 2 Input Terminals,2 0utput Terminals, 1 Mixer Unit, 1 Selector

　　Unit, and 3 Feature Units.(Headset Mode)

　　USB audio function topology that has 1 Input Terminal, 1Output Terminal, and 1 Feature Unit.(Speaker Mode)

　　Anti-pop noise design for device plugged and vice-versa,while A-A path is off.

　　Supports one control endpoint, one lsochronous out endpoint, one lsochronous in endpoint, and one Interrupt in endpoint

　　Alternate zero bandwidth setting for releasing playback bandwidth on USB bus when this device is inactive

　　Includes Volume up, volume down, and playback mute support USB HID for PC host system SW volume synchronization

　　Record Mute pin with a LED Indicator for record mute status

　　External EEPROM interface using SPI(Serial Peripheral Interface) for vendor Specific USB VID,PID,Product String, Manufacture String,Serial Number and initial/min/max volume settings

　　lsochronous transfer uses Adaptive Mode with internal PLL for synchronization

　　48K/44.1KHz sampling rate for both playback and recording

　　Soft Mute function

　　Embedded 16bit audio DAC with earphone phone buffer

　　Embedded 16bit ADC input with Microphone Boost

　　Embedded power on reset block

　　Embedded 5V to 3.6V / 3.3V / 1.8 V regulators for single external 5V power

　　Industrial standard48-pin LQFP Package