DS2155 Просмотр технического описания (PDF) - Maxim Integrated
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DS2155 Datasheet PDF : 238 Pages
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DS2155
12. I/O PIN CONFIGURATION OPTIONS.................................................................................................69
13. LOOPBACK CONFIGURATION ..........................................................................................................71
13.1 PER-CHANNEL LOOPBACK ......................................................................................................................73
14. ERROR COUNT REGISTERS ...............................................................................................................75
14.1 LINE-CODE VIOLATION COUNT REGISTER (LCVCR).............................................................................76
14.1.1 T1 Operation.......................................................................................................................................76
14.1.2 E1 Operation.......................................................................................................................................76
14.2 PATH CODE VIOLATION COUNT REGISTER (PCVCR) ............................................................................78
14.2.1 T1 Operation.......................................................................................................................................78
14.2.2 E1 Operation.......................................................................................................................................78
14.3 FRAMES OUT-OF-SYNC COUNT REGISTER (FOSCR)..............................................................................79
14.3.1 T1 Operation.......................................................................................................................................79
14.3.2 E1 Operation.......................................................................................................................................79
14.4 E-BIT COUNTER (EBCR).........................................................................................................................80
15. DS0 MONITORING FUNCTION ...........................................................................................................81
16. SIGNALING OPERATION .....................................................................................................................83
16.1 RECEIVE SIGNALING ...............................................................................................................................83
16.1.1 Processor-Based Signaling.................................................................................................................83
16.1.2 Hardware-Based Receive Signaling ...................................................................................................84
16.2 TRANSMIT SIGNALING.............................................................................................................................89
16.2.1 Processor-Based Mode .......................................................................................................................89
16.2.2 Software Signaling Insertion-Enable Registers, E1 CAS Mode..........................................................93
16.2.3 Software Signaling Insertion-Enable Registers, T1 Mode..................................................................95
16.2.4 Hardware-Based Mode.......................................................................................................................95
17. PER-CHANNEL IDLE CODE GENERATION ....................................................................................96
17.1 IDLE-CODE PROGRAMMING EXAMPLES..................................................................................................97
18. CHANNEL BLOCKING REGISTERS ................................................................................................101
19. ELASTIC STORES OPERATION........................................................................................................104
19.1 RECEIVE SIDE ........................................................................................................................................107
19.1.1 T1 Mode ............................................................................................................................................107
19.1.2 E1 Mode............................................................................................................................................107
19.2 TRANSMIT SIDE .....................................................................................................................................107
19.2.1 T1 Mode ............................................................................................................................................108
19.2.2 E1 Mode............................................................................................................................................108
19.3 ELASTIC STORES INITIALIZATION .........................................................................................................108
19.4 MINIMUM DELAY MODE .......................................................................................................................108
20. G.706 INTERMEDIATE CRC-4 UPDATING (E1 MODE ONLY) ...................................................109
21. T1 BIT-ORIENTED CODE (BOC) CONTROLLER..........................................................................110
21.1 TRANSMIT BOC.....................................................................................................................................110
Transmit a BOC ..............................................................................................................................................110
21.2 RECEIVE BOC .......................................................................................................................................110
Receive a BOC.................................................................................................................................................110
22. ADDITIONAL (SA) AND INTERNATIONAL (SI) BIT OPERATION (E1 ONLY) ......................113
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