CM103+
USB Stereo Audio Chip for Digital Speakers Application
TABLE OF CONTENTS
1. DESCRIPTIONS AND OVERVIEW
2. FEATURES
3. PIN DESCRIPTIONS
3.1 PIN ASSIGNMENT BY PIN NUMBER
3.2 PIN-OUT DIAGRAM
3.3 PIN SIGNAL DESCRIPTIONS
4. BLOCK DIAGRAM
5. ORDERING INFORMATION
6. FUNCTION DESCRIPTIONS
6.1 USB INTERFACE
6.1.1
6.1.2
6.1.3
DEVICE DESCRIPTOR
CONFIGURATION DESCRIPTOR
USB AUDIO TOPOLOGY DIAGRAM
6.2 EEPROM (93C46) CONTENT FORMAT
6.3 HID FEATURE
6.3.1 WHAT’S HID
6.3.2 HID DESCRIPTOR
6.4 DYNAMIC RANGE CONTROL (DRC)
7. ELECTRICAL CHARACTERISTICS
7.1 ABSOLUTE MAXIMUM RATING
7.2 OPERATION CONDITIONS
7.3 SPERKER IMPEDANCE VS. OUTPUT POWER CONSUMPTION
7.4 AUDIO PERFORMANCE
Date: 09/25/2005
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Version: 1.01