PM7375 LASAR-155

DATA SHEET

PMC-931127

ISSUE 6

LOCAL ATM SAR & PHYSICAL LAYER

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

i

CONTENTS

1

FEATURES ......................................................................................................................................1

2

APPLICATIONS ...............................................................................................................................2

3

REFERENCES ................................................................................................................................2

4

APPLICATION EXAMPLES .............................................................................................................4

4.1.2

STS-3C UTP-5 ATM OPERATION......................................................................5

4.1.3

STS-3C/1 OPTICAL ATM OPERATION ..............................................................5

4.1.4

DS3/E3 ATM OPERATION ..................................................................................6

5

BLOCK DIAGRAM ...........................................................................................................................7

6

DESCRIPTION ................................................................................................................................9

7

PIN DIAGRAM ...............................................................................................................................11

8

PIN DESCRIPTION (TOTAL 208) ..................................................................................................12

8.1

LINE SIDE INTERFACE SIGNALS (24) ..........................................................................12

8.2

MULTIPURPOSE PORT INTERFACE SIGNALS (24) .....................................................17

8.3

PCI HOST INTERFACE SIGNALS (52)...........................................................................23

8.4

MICROPROCESSOR INTERFACE SIGNALS (31) .........................................................31

8.5

MISCELLANEOUS INTERFACE SIGNALS (77) .............................................................35

9

FUNCTIONAL DESCRIPTION ......................................................................................................42

9.1

RECEIVE LINE INTERFACE ...........................................................................................42

9.1.1

CLOCK RECOVERY UNIT................................................................................42

9.1.2

SERIAL TO PARALLEL CONVERTER..............................................................43

9.2

RECEIVE FRAMER AND OVERHEAD PROCESSOR....................................................43

9.2.1

RECEIVE SECTION OVERHEAD PROCESSOR .............................................44

9.2.2

RECEIVE LINE OVERHEAD PROCESSOR.....................................................44