
DS26518 8-Port T1/E1/J1 Transceiver
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Figure 11-18. E1 Receive-Side Boundary Timing (Elastic Store Disabled) ............................................................ 255
Figure 11-19. E1 Receive-Side 1.544MHz Boundary Timing (Elastic Store Enabled)............................................ 256
Figure 11-20. E1 Receive-Side 2.048MHz Boundary Timing (Elastic Store Enabled)............................................ 256
Figure 11-21. E1 Receive-Side Interleave Bus Operation—BYTE Mode ............................................................... 257
Figure 11-22. E1 Receive-Side Interleave Bus Operation—FRAME Mode............................................................ 258
Figure 11-23. E1 Receive-Side RCHCLKn Gapped Mode During Channel 1 ........................................................ 258
Figure 11-24. E1 Transmit-Side Timing................................................................................................................... 259
Figure 11-25. E1 Transmit-Side Boundary Timing (Elastic Store Disabled) ........................................................... 259
Figure 11-26. E1 Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled)........................................... 260
Figure 11-27. E1 Transmit-Side 2.048MHz Boundary Timing (Elastic Store Enabled)........................................... 260
Figure 11-28. E1 Transmit-Side Interleave Bus Operation—BYTE Mode .............................................................. 261
Figure 11-29. E1 Transmit-Side Interleave Bus Operation—FRAME Mode........................................................... 262
Figure 11-30. E1 G.802 Timing ............................................................................................................................... 263
Figure 11-31. E1 Transmit-Side TCHCLKn Gapped Mode During Channel 1........................................................ 263
Figure 13-1. SPI Interface Timing Diagram............................................................................................................. 267
Figure 13-2. Intel Bus Read Timing (BTS = 0) ........................................................................................................ 269
Figure 13-3. Intel Bus Write Timing (BTS = 0)......................................................................................................... 269
Figure 13-4. Motorola Bus Read Timing (BTS = 1)................................................................................................. 270
Figure 13-5 Motorola Bus Write Timing (BTS = 1) .................................................................................................. 270
Figure 13-6. Receive Framer Timing—Backplane (T1 Mode)................................................................................. 272
Figure 13-7. Receive-Side Timing—Elastic Store Enabled (T1 Mode)................................................................... 273
Figure 13-8. Receive Framer Timing—Line Side.................................................................................................... 273
Figure 13-9. Transmit Formatter Timing—Backplane ............................................................................................. 275
Figure 13-10. Transmit Formatter Timing—Elastic Store Enabled.......................................................................... 276
Figure 13-11. BPCLK1 Timing................................................................................................................................. 276
Figure 13-12. JTAG Interface Timing Diagram........................................................................................................ 277
Figure 14-1. JTAG Functional Block Diagram......................................................................................................... 278
Figure 14-2. TAP Controller State Diagram............................................................................................................. 281