78P2352 Dual Channel OC-3/STM1-E/E4 Line Interface Unit
TABLE OF CONTENTS ................................................................................................2
FUNCTIONAL DESCRIPTION........................................................................................4
MODE SELECTION................................................................................................................................4
REFERENCE CLOCK ............................................................................................................................4
RECEIVER OPERATION .......................................................................................................................4
Receiver Monitor Mode..................................................................................................................4
Loss of Signal .................................................................................................................................4
Loss of Lock....................................................................................................................................4
TRANSMITTER OPERATION................................................................................................................5
Synchronous Serial Modes ...........................................................................................................5
Plesiochronous Serial Modes .......................................................................................................5
Parallel Modes.................................................................................................................................6
Transmit Driver ...............................................................................................................................6
Pulse Amplitude Adjustment.........................................................................................................6
Clock Synthesizer...........................................................................................................................6
Transmit Backplane Equalizer ......................................................................................................6
Transmit Loss of Lock ...................................................................................................................6
POWER-DOWN FUNCTION .................................................................................................................6
LOOPBACK MODES .............................................................................................................................7
POWER-ON RESET ..............................................................................................................................7
SERIAL CONTROL INTERFACE .........................................................................................................7
PROGRAMMABLE INTERRUPTS ........................................................................................................7
REGISTER DESCRIPTION.............................................................................................8
REGISTER ADDRESSING.....................................................................................................................8
REGISTER TABLE.................................................................................................................................8
LEGEND .................................................................................................................................................9
GLOBAL REGISTERS ...........................................................................................................................9
ADDRESS 0-0: MASTER CONTROL REGISTER.........................................................................9
ADDRESS 0-1: INTERRUPT CONTROL REGISTER..................................................................10
PORT-SPECIFIC REGISTERS.............................................................................................................11
ADDRESS N-0: MODE CONTROL REGISTER...........................................................................11
ADDRESS N-1: SIGNAL CONTROL REGISTER........................................................................12
ADDRESS N-2: ADVANCED TX CONTROL REGISTER 1 ........................................................13
ADDRESS N-3: ADVANCED TX CONTROL REGISTER 0 ........................................................13
ADDRESS N-4: MODE CONTROL REGISTER 2........................................................................13
ADDRESS N-5: STATUS MONITOR REGISTER........................................................................14
PIN DESCRIPTION.......................................................................................................15
LEGEND ...............................................................................................................................................15
TRANSMITTER PINS...........................................................................................................................15
RECEIVER PINS ..................................................................................................................................16
REFERENCE AND STATUS PINS ......................................................................................................17
CONTROL PINS ..................................................................................................................................18
SERIAL-PORT PINS ............................................................................................................................20
POWER AND GROUND PINS .............................................................................................................20
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