DS21Q50
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1. LIST OF FIGURES
Figure 1-1 DS21Q50 QUAD TRANSCEIVER.............................................................................................8
Figure 3-1 SERIAL PORT OPERATION MODE 1...................................................................................21
Figure 3-2 SERIAL PORT OPERATION MODE 2...................................................................................22
Figure 3-3 SERIAL PORT OPERATION MODE 3...................................................................................23
Figure 3-4 SERIAL PORT OPERATION MODE 4...................................................................................23
Figure 16-1 EXTERNAL ANALOG CONNECTIONS (BASIC CONFIGURATION).............................69
Figure 16-2 EXTERNAL ANALOG CONNECTIONS (PROTECTED INTERFACE).............................70
Figure 16-3 TRANSMIT WAVEFORM TEMPLATE ...............................................................................71
Figure 16-4 JITTER TOLERANCE............................................................................................................73
Figure 16-5 JITTER ATTENUATION........................................................................................................73
Figure 17-1 CMI CODING........................................................................................................................75
Figure 17-2 EXAMPLE OF CMI CODE VIOLATION (CV)....................................................................75
Figure 18-1 IBO CONFIGURATION USING 2 DS21Q50 TRANSCEIVERS (8 E1 Lines)......................78
Figure 19-1 RECEIVE FRAME AND MULTIFRAME TIMING...............................................................79
Figure 19-2 RECEIVE BOUNDARY TIMING (with elastic store disabled)................................................79
Figure 19-3 RECEIVE BOUNDARY TIMING (with elastic store enabled).................................................79
Figure 19-4 RECEIVE INTERLEAVE BUS OPERATION........................................................................80
Figure 19-5 TRANSMIT FRAME AND MULTIFRAME TIMING............................................................81
Figure 19-6 TRANSMIT BOUNDARY TIMING.......................................................................................81
Figure 19-7 TRANSMIT INTERLEAVE BUS OPERATION....................................................................82
Figure 19-8 DS21Q50 FRAMER SYNCHRONIZATION FLOWCHART................................................83
Figure 19-9 DS21Q50 TRANSMIT DATA FLOW....................................................................................84
Figure 21-1 INTEL BUS READ AC TIMING (BTS=0 / MUX = 1)...........................................................87
Figure 21-2 INTEL BUS WRITE TIMING (BTS=0 / MUX=1)..................................................................87
Figure 21-3 MOTOROLA BUS AC TIMING (BTS = 1 / MUX = 1).........................................................88
Figure 21-4 INTEL BUS READ TIMING (BTS=0 / MUX=0)....................................................................90
Figure 21-5 INTEL BUS WRITE TIMING (BTS=0 / MUX=0)..................................................................90
Figure 21-6 MOTOROLA BUS READ TIMING (BTS=1 / MUX=0)........................................................91
Figure 21-7 MOTOROLA BUS WRITE TIMING (BTS=1 / MUX=0).......................................................91
Figure 21-8 SERIAL BUS TIMING (BIS1 = 1, BIS0 = 0)..........................................................................92
Figure 21-9 RECEIVE AC TIMING (Receive elastic store disabled)...........................................................94
Figure 21-10 RECEIVE AC TIMING (Receive elastic store enabled)..........................................................95
Figure 21-11 TRANSMIT AC TIMING (IBO Disabled).............................................................................97
Figure 21-12 TRANSMIT AC TIMING (IBO Enabled)..............................................................................97
Figure 21-13 NRZ INPUT AC TIMING.....................................................................................................98