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DS2152LN Datasheet(PDF) 2 Page - Dallas Semiconductor |
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DS2152LN Datasheet(HTML) 2 Page - Dallas Semiconductor |
2 / 94 page DS2152 2 of 93 TABLE OF CONTENTS 1.0 INTRODUCTION ..................................................................................... 4 Block Diagram............................................................................................................................... 6 Pin List........................................................................................................................................... 7 Pin Description .............................................................................................................................. 9 Register Map.................................................................................................................................. 13 2.0 PARALLEL PORT................................................................................... 17 3.0 CONTROL, ID, AND TEST REGISTERS ................................................ 18 Payload Loopback ......................................................................................................................... 23 Framer Loopback........................................................................................................................... 23 Pulse Density Enforcer .................................................................................................................. 25 Local Loopback ............................................................................................................................. 27 Power-up Sequence ....................................................................................................................... 29 Remote Loopback .......................................................................................................................... 29 4.0 STATUS AND INFORMATION REGISTERS .......................................... 30 5.0 ERROR COUNT REGISTERS ................................................................ 38 Line Code Violation Count Register ............................................................................................. 39 Path Code Violation Count Register.............................................................................................. 39 Multiframes Out of SYNC Count Register ................................................................................... 40 6.0 DSO MONITORING FUNCTION ............................................................. 41 7.0 SIGNALING OPERATION....................................................................... 44 Processor Based Signaling.......................................................................................................... 44 Hardware Based Signaling.......................................................................................................... 46 8.0 PER-CHANNEL CODE (IDLE) GENERATION AND LOOPBACK.......... 47 Transmit Side Code Generation..................................................................................................... 47 Receive Side Code Generation ...................................................................................................... 49 9.0 CLOCK BLOCKING REGISTERS .......................................................... 51 10.0 ELASTIC STORES OPERATION............................................................ 52 11.0 FDL/FS EXTRACTION AND INSERTION................................................ 53 HDLC and BOC Controller for the FDL....................................................................................... 53 Legacy FDL Support ..................................................................................................................... 63 D4/SLC-96 Operation.................................................................................................................... 64 12.0 PROGRAMMABLE IN-BAND CODE GENERATION AND DETECTION 65 13.0 TRANSMIT TRANSPARENCY................................................................ 68 |
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