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ST-BUS™ FAMILY MH89790B CEPT PCM 30/CRC-4 Framer & Interface Preliminary Information
Features
• • • • • • • • • • • • • • • Complete primary rate 2048 kbit/s CEPT transceiver with CRC-4 option Selectable HDB3 or AMI line code Two frame elastic buffer with 32µ s jitter buffer Tx and Rx frame and multiframe synchroniza-tion signals Frame alignment and CRC error counters Insertion and detection of A, B, C, D signalling bits with optional debounce Line driver and receiver Per channel, overall, and remote loop around Digital phase detector between E1 line and ST-BUS ST-BUS compatible Pin compatible with the MH89790 Inductorless clock recovery Loss of Signal (LOS) indication Available in standard, narrow and surface mount formats Supports single supply rail operation
MH89790B MH89790BN MH897
MH89790B Datasheet
