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BT8110EPJ Datasheet

Part NameDescriptionManufacturer
BT8110EPJ High-Capacity ADPCM Processor Conexant
Conexant Systems Conexant
Other PDF  not available.
BT8110EPJ image

This specification describes the Bt8110 and Bt8110B multichannel ADPCM processor CMOS integrated circuits that implement Adaptive Differential Pulse-Code Modulation (ADPCM) encoding and decoding. The fixed-rate coding algorithms include those specified in ANSI Standard T1.303-1989. These algorithms are identical to those in ITU-T Recommendations G.726 and G.727. These circuits also implement the variable-rate or embedded codes specified in ANSI Standard T1.310-1991 and ITU-T Recommendation G.727.

Distinguishing Features
• Bt8110B offers internal ROM
• 24 or 32 full-duplex channel capacity (48 or 64 channels with two processors)
• 2-, 3-, 4- and 5-bit quantization dynamically selectable on a channel-by-channel, frame-by-frame basis
• Transparent channel operation
• Two control modes available: microprocessor and hardware.
• Direct framer interface for both T1 and E1 signal formats
• Supports the optimal RESET function described in the algorithm standards
• Supports even-bit inversion of A-law inputs and outputs (required by ITU-T Recommendations G.726, and G.727)
• Minimum throughput delay
• Pin compatible with Bt8110
• 8 mw per-channel, low-power CMOS

• T1/E1 Transcoders
• T1/E1 Multiplexers
• Personal Communications Systems: Digital European Cordless Telecommunications (DECT), Personal Access Communications System (PACS)
• Wireless Local Loop
• Voice PairGain
• DCME Systems
• Speech Processing/Recording
• Voice Mail/Packetization
• Voice over ATM/Frame Relay


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