Cirrus-logic CDB61880 Manual do Utilizador descarregar pdf (Página 3)

CDB61880

DS450DB1 3

5.1 Choose Parallel Port Settings .......................................................................................... 12

5.2 Access and Configure the Read / Write Registers .......................................................... 12

5.2.1 Access Configuration Screens ............................................................................ 12

5.2.2 Select Register to Configure ............................................................................... 12

5.3 Loopback /Bits Clock Screen ........................................................................................... 13

5.4 LOS/AIS/DFM/JA Register Screen .................................................................................. 14

5.5 Transmitter Register Screen ............................................................................................ 15

5.6 AWG Register Screen ..................................................................................................... 16

5.7 Global Control Register Screen ....................................................................................... 17

6. BOARD CONFIGURATIONS ................................................................................................. 18

6.1 E1 75

Ω

Mode Setup ....................................................................................................... 18

6.2 E1 120

Ω

Mode Setup ..................................................................................................... 19

7. EVALUATION HINTS ............................................................................................................. 20

LIST OF FIGURES

Figure 1. CDB61880 Board Layout .................................................................................................4

Figure 2. On-board Logic Power Selection ..................................................................................... 5

Figure 3. Master Clock Selections .................................................................................................. 5

Figure 4. Hardware/Host Mode Selection ....................................................................................... 6

Figure 5. Transmitter Enable Selection........................................................................................... 7

Figure 6. Clock Edge Selection....................................................................................................... 7

Figure 7. Jitter Attenuator Selection................................................................................................ 7

Figure 8. Loopback Mode Selection................................................................................................ 7

Figure 9. Switch S9 Settings ........................................................................................................... 8

Figure 10. Digital Signal Control/Access......................................................................................... 9

Figure 11. CS61884 Software Opening Screen............................................................................ 10

Figure 12. Register Bit Box ........................................................................................................... 10

Figure 13. Set All Button ............................................................................................................... 10

Figure 14. Clear All Button ............................................................................................................ 11

Figure 15. Write All Button ............................................................................................................ 11

Figure 16. Read All Button ............................................................................................................ 11

Figure 17. Write Button ................................................................................................................. 11

Figure 18. Read Button ................................................................................................................. 11

Figure 19. Opening Screen for Port and Address Selection Screen............................................. 12

Figure 20. Loopback/G.703 Bits Clock Selection Screen ............................................................. 13

Figure 21. LOS/AIS/DFM/JA ERR Status/Enable Selection Screen............................................. 14

Figure 22. Transmitter Register Screen ........................................................................................ 15

Figure 23. AWG Registers Screen................................................................................................ 16

Figure 24. Global Control Screen.................................................................................................. 17

LIST OF TABLES

Table 1. External Impedance Resistor Values ................................................................................ 6

Table 2. Protection Resistor Selection........................................................................................... 6

Table 3. Switch Settings for Host Mode ..........................................................................................9

Table 4. E1 75

Ω

Operational Mode Switch/Jumper Position ....................................................... 18

Table 5. E1 120

Ω

Operational Mode Switch/Jumper Position ..................................................... 19

1 2 3 4 5 6 7 8 ... 21 22

CDB61880 1
• Notes • 21

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