DS21552L Просмотр технического описания (PDF) - Maxim Integrated
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DS21552L Datasheet PDF : 137 Pages
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DS21352/DS21552
10. SIGNALING OPERATION..........................................................................................................58
10.1 PROCESSOR-BASED SIGNALING ....................................................................................58
10.2 HARDWARD-BASED SIGNALING ...................................................................................60
10.2.1 Receive Side.................................................................................................................60
10.2.2 Transmit Side...............................................................................................................61
11. PER-CHANNEL CODE (IDLE) GENERATION ......................................................................61
11.1 TRANSMIT SIDE CODE GENERATION ...........................................................................62
11.1.1 Fixed Per-Channel Idle Code Insertion ......................................................................62
11.1.2 Unique Per-Channel Idle Code Insertion....................................................................63
11.2 RECEIVE SIDE CODE GENERATION...............................................................................63
11.2.1 Fixed Per-Channel Idle Code Insertion ......................................................................64
11.2.3 Unique Per-Channel Idle Code Insertion....................................................................64
12. PER-CHANNEL LOOPBACK.....................................................................................................65
13. CLOCK BLOCKING REGISTERS ............................................................................................65
14. ELASTIC STORES OPERATION ..............................................................................................66
14.1 RECEIVE SIDE .....................................................................................................................66
14.2 TRANSMIT SIDE..................................................................................................................67
14.3 ELASTIC STORES INITIALIZATION ................................................................................67
14.4 MINIMUM DELAY MODE..................................................................................................67
15. HDLC CONTROLLER.................................................................................................................68
15.1 HDLC FOR DS0S ..................................................................................................................68
15.1.1 Receive an HDLC Message .........................................................................................68
15.1.2 Transmit an HDLC Message .......................................................................................68
15.2 FDL/Fs EXTRACTION AND INSERTION .........................................................................69
15.3 HDLC and BOC CONTROLLER FOR THE FDL................................................................69
15.3.1 General Overview........................................................................................................69
15.3.2 Status Register for the HDLC......................................................................................70
15.3.3 Basic Operation Details ..............................................................................................71
15.3.4 HDLC/BOC Register Description ...............................................................................72
15.4 LEGACY FDL SUPPORT.....................................................................................................82
15.4.1 Overview......................................................................................................................82
15.4.2 Receive Section ............................................................................................................82
15.4.3 Transmit Section ..........................................................................................................84
15.5 D4/SLC-96 OPERATION......................................................................................................84
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