
DS26401 Octal T1/E1/J1 Framer
5
LIST OF FIGURES
Figure 3-1. Block Diagram........................................................................................................................................10
Figure 3-2. Typical PLL Connection..........................................................................................................................11
Figure 3-3. Typical Bipolar Network-Side Interface to Framers................................................................................11
Figure 3-4. Typical NRZ Network-Side Interface to Framers....................................................................................12
Figure 7-1. Internal IBO Multiplexer Equivalent Circuit—4.096MHz.........................................................................28
Figure 7-2. Internal IBO Multiplexer Equivalent Circuit—8.192MHz.........................................................................29
Figure 7-3. Internal IBO Multiplexer Equivalent Circuit—16.394MHz......................................................................30
Figure 8-1. RSYNC Input in H.100 (CT Bus) Mode..................................................................................................50
Figure 8-2. TSSYNC Input in H.100 (CT Bus) Mode................................................................................................51
Figure 8-3. Receive HDLC Example........................................................................................................................99
Figure 9-1. HDLC Message Transmit Example.....................................................................................................141
Figure 10-1. RSYNC Input in H.100 (CT Bus) Mode..............................................................................................162
Figure 10-2. TSSYNC Input in H.100 (CT Bus) Mode............................................................................................163
Figure 10-3. Receive HDLC Example....................................................................................................................207
Figure 11-1. HDLC Message Transmit Example....................................................................................................255
Figure 12-1. Shared BERT Block Diagram.............................................................................................................266
Figure 13-1. T1 Receive-Side D4 Timing ...............................................................................................................277
Figure 13-2. T1 Receive-Side ESF Timing.............................................................................................................277
Figure 13-3. T1 Receive-Side Boundary Timing (Elastic Store Disabled).............................................................278
Figure 13-4. T1 Receive-Side 1.544MHz Boundary Timing (Elastic Store Enabled)..............................................278
Figure 13-5. T1 Receive-Side 2.048MHz Boundary Timing (Elastic Store Enabled)..............................................279
Figure 13-6. T1 Receive-Side Interleave Bus Operation, BYTE Mode...................................................................280
Figure 13-7. T1 Receive-Side Interleave Bus Operation, FRAME Mode................................................................281
Figure 13-8. T1 Transmit-Side D4 Timing ..............................................................................................................282
Figure 13-9. T1 Transmit-Side ESF Timing............................................................................................................282
Figure 13-10. T1 Transmit-Side Boundary Timing (Elastic Store Disabled)...........................................................283
Figure 13-11. T1 Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled) ..........................................283
Figure 13-12. T1 Transmit-Side 2.048MHz Boundary Timing (Elastic Store Enabled) ..........................................284
Figure 13-13. T1 Transmit-Side Interleave Bus Operation, BYTE Mode................................................................284
Figure 13-14. T1 Transmit Interleave Bus Operation, FRAME Mode.....................................................................285
Figure 13-15. E1 Receive-Side Timing...................................................................................................................286
Figure 13-16. E1 Receive-Side Boundary Timing (Elastic Store Disabled)............................................................286
Figure 13-17. E1 Receive-Side 1.544MHz Boundary Timing (Elastic Store Enabled) ...........................................287
Figure 13-18. E1 Receive-Side 2.048MHz Boundary Timing (Elastic Store Enabled) ...........................................287
Figure 13-19. E1 Transmit-Side Timing..................................................................................................................288
Figure 13-20. E1 Transmit-Side Boundary Timing (Elastic Store Disabled)...........................................................288
Figure 13-21. E1 Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled) .........................................289
Figure 13-22. E1 Transmit-Side 2.048MHz Boundary Timing (Elastic Store Enabled) ..........................................289
Figure 13-23. E1 G.802 Timing...............................................................................................................................290
Figure 15-1. Intel Bus Read Timing (BTS = 0).......................................................................................................293
Figure 15-2. Intel Bus Write Timing (BTS = 0).......................................................................................................293
Figure 15-3. Motorola Bus Read Timing (BTS = 1) ...............................................................................................294
Figure 15-4. Motorola Bus Write Timing (BTS = 1) ...............................................................................................294
Figure 15-5. Receive Framer Timing—Backplane (T1 Mode)...............................................................................295
Figure 15-6. Receive-Side Timing—Elastic Store Enabled (T1 Mode)..................................................................296
Figure 15-7. Receive Framer Timing—Line Side ..................................................................................................297
Figure 15-8. Transmit Formatter Timing—Backplane ...........................................................................................299
Figure 15-9. Transmit Formatter Timing, Elastic Store Enabled ...........................................................................300
Figure 15-10. Transmit Formatter Timing—Line Side ...........................................................................................300
Figure 15-11. JTAG Interface Timing Diagram.......................................................................................................301
Figure 16-1. JTAG Functional Block Diagram ........................................................................................................302
Figure 16-2. Tap Controller State Diagram............................................................................................................303