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HS-100B

USB Audio Demo Board User Manual V1.0

Worldwide Solution That Touch People’s Hearts! - 10

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2.3.3 LED Indicators

Status Indicator LED: When device is powered and enumerated by the host, the LED lights still. When
playback or recording is operating, LED flashes. When both playback and recording are operating, LED
flashes fast.

MU-REC LED: When recording is mute, the LED lights still.

LED

Description

STATUS(D6) Status note indicator
MU-REC(D7) Microphone mute indicator

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Summary of Contents for HS-100B

Page 1: ...HS 100B Demo Board User Manual Version 1 0 ...

Page 2: ... button icons images audio clips digital downloads data compilations and software is either the exclusive property of C Media Electronics Inc its affiliates collectively C Media its content suppliers or its licensors and protected by Republic of China and international copyright laws UTRADEMARKS C Media the C Media Logo Xear 3D Xear 3D Logo Speaker Shifter Smart Jack and Smart Audio Jack Middlewar...

Page 3: ...HS 100B USB Audio Demo Board User Manual V1 0 Worldwide Solution That Touch People s Hearts 3 Revision Notes Revision Date Description 1 0 2013 09 23 First formal release ...

Page 4: ...uch People s Hearts 4 TABLE OF CONTENTS SECTION 1 OVERVIEW 1 1 Introduction to HS 100B 5 1 2 Take a close look at HS 100B Demo Board 6 SECTION 2 GETTING STARTED 2 1 Board as USB Audio Device 7 2 2 Playback Recording Functions 8 2 3 Evaluation Board with Peripheral Control 9 ...

Page 5: ...ins and playback mute recording mute and it also offers playback operation and playback record mute LED indicators in order that users know the current status All necessary analog and digital modules are embedded in HS 100B including stereo DAC headphone driver Mono ADC microphone pre amp booster PLL regulator and USB transceiver In addition internal cost effective embedded oscillator generates st...

Page 6: ...ts 6 1 2 Evaluation Board Contents The HS 100B controller demonstration board has several hardware features With each feature s description in Figure 1 the feature s location can be clearly identified Figure 1 LED Indicators Microphone in Headphone USB Jack EEPROM HID Function Keys HS 100B ...

Page 7: ...emo board to the host PC by plugging the USB Jack into host s USB port as shown in Figure 2 Figure 2 USB connector 2 Check LED STATUS for power on and current status as shown in Figure 3 When the device is connected the STATUS LED lights still and when playing recording the STATUS flashes Figure 3 LED indicators A type USB connector Power ON OFF and current status ...

Page 8: ...ability HS 100B Analog Output Stereo 2 channel 48KHz 44 1KHz sampling rates with 16bit Resolution Headphone Output Figure 4 Headphone out jack 2 2 2 Recording Functions HS 100B s recording function supports single channel multiple sampling rates with 16 bit resolution The capabilities of recording are listed below Audio In Capability HS 100B Analog Input Mono 48KHz 44 1KHz sampling rates with 16bi...

Page 9: ... Control HS 100B embedded external peripheral control and IO pins EEPROM Interface HID Buttons LED Indicators 2 3 1 EEPROM Interface Figure 10 EEPROM Interface 2 3 2 HID Buttons Symbol Description Volup HID Playback Volume Up Voldn HID Playback Volume Down Mute R HID MIC REC Mute Mute P HID Master Volume Mute The EEPROM on the EVB ...

Page 10: ...or LED When device is powered and enumerated by the host the LED lights still When playback or recording is operating LED flashes When both playback and recording are operating LED flashes fast MU REC LED When recording is mute the LED lights still LED Description STATUS D6 Status note indicator MU REC D7 Microphone mute indicator ...

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