The Winbond's single chip USB bus ISDN S/T interface controller W6694BCD is an all-in-one device
suitable for ISDN Internet access. The integrated USB and ISDN design provides low cost, pure
passive solution for USB-IDSN application.
W6694BCD also provides two PCM CODEC interfaces for the ability to access ISDN through voice
channel.
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The Winbond's single chip PCI bus ISDN S/T interface controller (W6692CF) is an all-in-one device suitable for ISDN Internet access. Three HDLC controllers are incorporated in the chip, one for D hannel and the other two for B channels. These HDLC controllers facilitate efficient access to ignaling and data services. The PCM codec interface provides voice service or other services. The built in PCI 2.2 interface circuit makes glueless design for PCI bus add-on card pplication
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