B roa dcom Co rpo rat ion

Preliminary Data Sheet

12/11/01

Diagnostics .............................................................................................................................................. 8

Loopback Operation ................................................................................................................................ 8

Cable Length Indicator ............................................................................................................................ 8

Reset and Power........................................................................................................................................... 8

Clock .............................................................................................................................................................. 9

Section 2: Pin Description................................................................................................ 10

Pin Diagram................................................................................................................................................. 10

Pin Descriptions ......................................................................................................................................... 11

Section 3: Register Descriptions ..................................................................................... 16

Legend................................................................................................................................................... 16

Section 4: Electrical Characteristics ............................................................................... 31

Absolute Maximum Ratings....................................................................................................................... 31

Operating Range......................................................................................................................................... 31

Recommended Termination ...................................................................................................................... 37

Power and Ground Filtering ...................................................................................................................... 38

Section 5: Package Drawing ............................................................................................ 39

Section 6: Packaging Thermal Characteristics .............................................................. 40

100PQFP Package ...................................................................................................................................... 40

Section 7: Ordering Information ..................................................................................... 41