CM103+ C-Media Electronics, Inc., CM103+ Datasheet - Page 6

• Manufacturer Part Number: CM103+
• Description: 16-Bit Stereo USB Audio Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/25/2005
Embedded Digital Control Power Amplifier for Speaker Driving
Support Power Amplifier Enable / Disable Control Pin
Support Dynamic Range Control (DRC) Feature to Provide a Better Listen Experience
Embedded Power-On-Reset Block
Embedded 5V to 3.3V Regulator with Voltage Level Detector for Single 5V External
Embedded Temperature Protection Circuit
Embedded X2 Modulation for Higher Audio Quality
Embedded Anti-Pop Circuit with Internal Feedback Structure
Single 12MHz Crystal Input with Embedded PLL
Isochronous Transfer using Adaptive Synchronization with Internal PLL
External EEPROM Interface for Vendor Specific VID / PID / Product String
EEPROM Read / Write Function via Vendor Specific Request for Mass Production
Analog Volume Control Input with Simple External VR Circuit
Digital Volume Control Input with Digital Rotary Encoder or Vol_up / Vol_dn /
Vol_up / Vol_dn / Play_mute Pins and Digital Rotary Encoder Interface
Supports USB Suspend / Resume Mode and Remote Wakeup with Digital Volume
Control Pins
LED Indicator Pin During Playback
1 GPIO pin for Application Specific Usage
3.3V I/O with 5V Tolerance
Dolby® Digital and DTS Audio Streaming via S/PDIF Output
Compatible with Win 98SE / Win ME / Win 2000 / Win XP, and Mac OS 10.X
without additional driver
Power Supply
Convenience
Play_mute Bottoms
Support USB HID Devices Class Ver1.11 for Host Volume Control
Synchronization
USB Stereo Audio Chip for Digital Speakers Application
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Version: 1.01
CM103+