RELEASED

PM4354 COMET-QUAD

DATASHEET

PMC-1990315

ISSUE 6

FOUR CHANNEL COMBINED E1/T1/J1

TRANSCEIVER / FRAMER

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC. AND FOR ITS CUSTOMERS’ INTERNAL USE

iii

12.1

CONFIGURING THE COMET-QUAD FROM RESET ..................................... 331

12.2

SERVICING INTERRUPTS.............................................................................. 338

12.3

USING THE PERFORMANCE MONITORING FEATURES ............................ 338

12.4

USING THE INTERNAL HDLC TRANSMITTER.............................................. 343

12.5

USING THE INTERNAL HDLC RECEIVER ..................................................... 346

12.6

T1 AUTOMATIC PERFORMANCE REPORT FORMAT .................................. 350

12.7

USING THE TRANSMIT LINE PULSE GENERATOR ..................................... 352

12.8

USING THE LINE RECEIVER.......................................................................... 372

12.9

USING THE PRBS GENERATOR AND DETECTOR ...................................... 381

12.10

USING THE PER-CHANNEL SERIAL CONTROLLERS AND SIGX ............... 381

12.10.1 INITIALIZATION .................................................................................. 381

12.10.2 DIRECT ACCESS MODE.................................................................... 382

12.10.3 INDIRECT ACCESS MODE ................................................................ 382

12.11

T1/E1 FRAMER LOOPBACK MODES............................................................. 383

12.11.1 LINE LOOPBACK................................................................................ 383

12.11.2 PAYLOAD LOOPBACK ....................................................................... 383

12.11.3 PER-CHANNEL LOOPBACK .............................................................. 384

12.11.4 DIAGNOSTIC DIGITAL LOOPBACK................................................... 385

12.12

RSYNC GENERATION .................................................................................... 385

12.13

BACKPLANE CONFIGURATION ..................................................................... 386

12.13.1 RECEIVE CLOCK MASTER: FULL T1/E1 MODE SETTINGS ........... 387

12.13.2 RECEIVE CLOCK MASTER: NX64KBIT/S MODE SETTINGS.......... 388

12.13.3 RECEIVE CLOCK MASTER: CLEAR CHANNEL MODE SETTINGS 388

12.13.4 RECEIVE CLOCK SLAVE: FULL T1/E1 MODE SETTINGS............... 389

12.13.5 RECEIVE CLOCK SLAVE: H-MVIP MODE SETTINGS...................... 389