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DS2155 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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DS2155 Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 240 page DS2155 6 of 240 1.1 Table of Figures Figure 3-1. Block Diagram.........................................................................................................................................15 Figure 3-2. Receive and Transmit LIU.......................................................................................................................16 Figure 3-3. Receive and Transmit Framer/HDLC......................................................................................................17 Figure 3-4. Backplane Interface .................................................................................................................................18 Figure 4-1. 10mm CSBGA Pin Configuration ...........................................................................................................34 Figure 6-1. Programming Sequence ...........................................................................................................................41 Figure 8-1. Clock Map................................................................................................................................................47 Figure 16-1. Simplified Diagram of Receive Signaling Path .....................................................................................85 Figure 16-2. Simplified Diagram of Transmit Signaling Path....................................................................................91 Figure 20-1. CRC-4 Recalculate Method .................................................................................................................111 Figure 24-1. Typical Monitor Application ...............................................................................................................146 Figure 24-2. CMI Coding .........................................................................................................................................148 Figure 24-3. Basic Interface .....................................................................................................................................158 Figure 24-4. Protected Interface Using Internal Receive Termination.....................................................................159 Figure 24-5. E1 Transmit Pulse Template................................................................................................................161 Figure 24-6. T1 Transmit Pulse Template................................................................................................................161 Figure 24-7. Jitter Tolerance ....................................................................................................................................162 Figure 24-8. Jitter Tolerance (E1 Mode) ..................................................................................................................162 Figure 24-9. Jitter Attenuation (T1 Mode) ...............................................................................................................163 Figure 24-10. Jitter Attenuation (E1 Mode) .............................................................................................................163 Figure 24-11. Optional Crystal Connections ............................................................................................................164 Figure 26-1. Simplified Diagram of BERT in Network Direction ...........................................................................173 Figure 26-2. Simplified Diagram of BERT in Backplane Direction ........................................................................173 Figure 28-1. IBO Example .......................................................................................................................................188 Figure 29-1. ESIB Group of Four DS2155s .............................................................................................................189 Figure 33-1 T1 Transmit Flow Chart.......................................................................................................................196 Figure 33-2 E1 Transmit Flow Chart.......................................................................................................................198 Figure 34-1. JTAG Functional Block Diagram ........................................................................................................201 Figure 34-2. TAP Controller State Diagram.............................................................................................................204 Figure 35-1. Receive-Side D4 Timing......................................................................................................................210 Figure 35-2. Receive-Side ESF Timing....................................................................................................................210 Figure 35-3. Receive-Side Boundary Timing (Elastic Store Disabled)....................................................................211 Figure 35-4. Receive-Side 1.544MHz Boundary Timing (Elastic Store Enabled)...................................................211 Figure 35-5. Receive-Side 2.048MHz Boundary Timing (Elastic Store Enabled)...................................................212 Figure 35-6. Transmit-Side D4 Timing....................................................................................................................212 Figure 35-7. Transmit-Side ESF Timing..................................................................................................................213 Figure 35-8. Transmit-Side Boundary Timing (with Elastic Store Disabled)..........................................................213 Figure 35-9. Transmit-Side 1.544MHz Boundary Timing (Elastic Store Enabled) .................................................214 Figure 35-10. Transmit-Side 2.048MHz Boundary Timing (Elastic Store Enabled) ...............................................214 Figure 35-11. Receive-Side Timing .........................................................................................................................215 Figure 35-12. Receive-Side Boundary Timing (with Elastic Store Disabled)..........................................................215 Figure 35-13. Receive-Side Boundary Timing, RSYSCLK = 1.544MHz (Elastic Store Enabled) .........................216 Figure 35-14. Receive-Side Boundary Timing, RSYSCLK = 2.048MHz (Elastic Store Enabled) .........................216 Figure 35-15. Receive IBO Channel Interleave Mode Timing ................................................................................217 Figure 35-16. Receive IBO Frame Interleave Mode Timing....................................................................................218 Figure 35-17. G.802 Timing, E1 Mode Only ...........................................................................................................219 Figure 35-18. Transmit-Side Timing........................................................................................................................219 Figure 35-19. Transmit-Side Boundary Timing (Elastic Store Disabled) ................................................................220 Figure 35-20. Transmit-Side Boundary Timing, TSYSCLK = 1.544MHz (Elastic Store Enabled) .......................220 Figure 35-21. Transmit-Side Boundary Timing, TSYSCLK = 2.048MHz (Elastic Store Enabled) ........................221 Figure 35-22. Transmit IBO Channel Interleave Mode Timing...............................................................................222 |
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