Multipoint Chip Architecture (ZMCA˘â). ZMM's single-chip solution empowers OEMs with the ability to offer telephony devices with computer-intelligent, Web-powered communication providing high-quality Voice-over-IP.


 

XP001 Block diagram
 

Feature
 
Able to generate and detect DTMF by soft DSP algorithm.
Support pick up key, 10 number keys ,and reprograms keys
Support VOIP incoming call by ring mini speaker.
Support Voice over ADSL or cable modem
Highest quality with the lowest price in the market.
Low component count.
Enable VOIP call record.
Support mechanical or Tiled/Magnetic switch provides for off/on hook recognition (optional)
Easy installation - Plug handset to USB port, Windows 98/2000 will automatically bring up the correct drivers
Easy operation - simply pick up the handset and talk
Peer to peer VoIP/LAN calls - no servers or double wiring

XP002 Block diagram
 

Feature
 
Single chip audio CODEC with high S/N ratio (>90 dB).
18-bit ADC and DAC resolution.
Compliant with AC'97 2.2 specification
Meet performance requirements for audio on PC2001 systems
18-bit stereo full-duplex CODEC with independent and variable sampling rate.
4analog line-level stereo input with 5-bit volume control : LINE_IN,CD,VIDEO,AUX
2 analog line-level mono input : PC_BEEP,PHONE_IN.
Mono output with 5-bit volume control.
Stereo output with 5-bit volume control.
2 MIC inputs: Software selectable.
Power management.
3D Stereo Enhancement
Headphone output with 50mW/20ohm driving capability (XP002).
Line output with 50mW/20ohm driving capability (XP002A).
Headphone jack-detect function to mute LINE output.
Multiple CODEC extension.

XP001 & XP002 Package
 

 


copyright© 2002-2012. NATIONALCHIPS Co. All right reserved. Tel : +82-31-261-3173/4   Fax : +82-31-261-8978