NITROGEND2 datasheet(7/28 Pages) CMEDIA

7 / 28 page

Nitrogen D2

USB Audio With Dolby Digital Live and DTS Interactive Solution

Date: 09/25/2005

Version: 1.02

- 7 -

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

Power Supply

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

Convenience

Analog Volume Control Input with Simple External VR Circuit

Digital Volume Control Input with Digital Rotary Encoder or

Vol_up / Vol_dn /

Play_mute Bottoms

Vol_up / Vol_dn / Play_mute Pins and Digital Rotary Encoder Interface

Support USB HID Devices Class Ver1.11 for Host Volume Control

Synchronization

3.3V I/O with 5V Tolerance

Dolby® Digital Audio Streaming via S/PDIF Output

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

Dolby Digital Live Software Sound Technology Bundle

Digital Theater System (DTS Interactive) Software Sound Technology Bundle

USB Software Driver Compatible with Win 98SE / Win ME / Win 2000 / Win

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