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W6690

Features: · Full duplex 2B + D S/T-interface transceiver compatible with ITU-T I.430 Recommendation- Four wire operation- Received clock recovery- Layer 1 activation/deactivation procedures- D channel access control- Supports multiframe synchronization· Supports LAPD protocol- Flag generation/reco...

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SeekIC No. : 004544902 Detail

W6690: Features: · Full duplex 2B + D S/T-interface transceiver compatible with ITU-T I.430 Recommendation- Four wire operation- Received clock recovery- Layer 1 activation/deactivation procedures- D chann...

W6690 Data Sheet

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Part Number:
W6690
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Full duplex 2B + D S/T-interface transceiver compatible with ITU-T I.430 Recommendation
- Four wire operation
- Received clock recovery
- Layer 1 activation/deactivation procedures
- D channel access control
- Supports multiframe synchronization
· Supports LAPD protocol
- Flag generation/recognition
- Bit stuffing (zero insertion/deletion)
- Frame Check Sequence (FCS) generation/check
- Maskable address recognition
- FIFO buffer (2 x 64 bytes)
· Two B channel HDLC controllers
- Maskable address recognition
- Bit rate options: 56 or 64 Kbps
- Transparent or extended transparent mode
- FIFO buffer (2 ´ 64 bytes) per B channel
· Two PCM codec interfaces for speech and POTS application
· Various B channel switching capabilities
· Serial EEPROM interface for ISA plug and play configuration
· Glueless ISA plug and play interface for passive card application
· Direct ISA compatible or 8-bit microprocessor interfaces for active card and Terminal Adaptor ( applications
· +5 volt power supply
· Advanced CMOS technology
· Low power consumption


Pinout

Connection Diagram


Description

The Winbond's single chip ISDN S/T interface controller (W6690) is an all-in-one device suitable for ISDN Internet access. Three HDLC controllers are incorporated in the chip, one for D channel and the other two for B channels. These HDLC controllers facilitate efficient access to signalling and data services. The PCM codec interface provides voice service or other services. For PC ISA bus add-on card application, the built-in plug and play controller is used for automatic card identification and resource assignment. The plug and play controller can be disabled for traditional ISA card applications. Furthermore, an Intel or Motorola 8-bit micro-controller compatible interface is provided.




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