Transcription of TSS721A - M-Bus
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TSS721A - M-Bus
TSS721 AMETER-BUS TRANSCEIVERSLAS 222 - April 19991 Copyright 1999, Texas Instruments Incorporated Meter-Bus transceiver (for Slave) meets standard EN1434-3 Receiver logic with dynamic level recognition Adjustable constant current sink via resistor Polarity independent Power fail function Module supply voltage switch V constant voltage source Remote powering Up to 9600 baud in half duplexfor UART protocol Slave Power Support- supply from Meter-Bus via output VDD- supply from Meter-Bus via output VDDor from back up battery- supply from battery Meter-Bus activefor data transmission onlyD PACKAGE(TOP VIEW)BUSL2 STCVBRIDDPFSCTXITXBUSL1 GNDRISRXIRXVDDVSBAT descriptionTSS721A is a single chip transceiver developed for Meter-Bus standard (EN1434-3) TSS721A interface circuit adjusts the different potentials between a slave system and the Meter-Bus master.
TSS721A METER-BUS TRANSCEIVER SLAS 222 - April 1999 2 function (the functional description refers to typical values) Data Transmission Master to Slave
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