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Agere Systems Inc.

Data Sheet

January 2005

Two-Cable Transceiver/Arbiter Device

FW802BF PHY 1394a-2000

Table of Contents

Contents

Page

Distinguishing Features ............................................................................................................................................ 1

Features ................................................................................................................................................................... 1

Other Features ......................................................................................................................................................... 1

Description ................................................................................................................................................................ 1

Ball Information ........................................................................................................................................................ 6

Signal Information ..................................................................................................................................................... 7

Application Information ........................................................................................................................................... 11

Crystal Selection Considerations ............................................................................................................................ 12

Load Capacitance ............................................................................................................................................ 13

Adjustment to Crystal Loading ......................................................................................................................... 13

Crystal/Board Layout ....................................................................................................................................... 13

Absolute Maximum Ratings .................................................................................................................................... 14

Electrical Characteristics ........................................................................................................................................ 15

Timing Characteristics ............................................................................................................................................ 18

Timing Waveforms .................................................................................................................................................. 19

Internal Register Configuration ............................................................................................................................... 20

Outline Diagrams .................................................................................................................................................... 25

48-Ball TFSBGAC ............................................................................................................................................ 25

Ordering Information ............................................................................................................................................... 25

List of Figures

Figures

Page

Figure 1. Block Diagram ........................................................................................................................................... 5

Figure 2. FW802BF Ball Diagram (48-Ball TFSBGAC) Top View ............................................................................ 6

Figure 3. Typical External Component Connections .............................................................................................. 11

Figure 4. Typical Port Termination Network .......................................................................................................... 12

Figure 5. Crystal Circuitry ....................................................................................................................................... 13

Figure 6. Dn, CTLn, and LREQ Input Setup and Hold Times Waveforms ............................................................. 19

Figure 7. Dn, CTLn Output Delay Relative to SYSCLK Waveforms....................................................................... 19

List of Tables

Tables

Page

Table 1. FW802BF (48-Ball TFSBGAC) Ball Coordination Table ............................................................................ 6

Table 2. Signal Descriptions..................................................................................................................................... 7

Table 3. Absolute Maximum Ratings ...................................................................................................................... 14

Table 4. Analog Characteristics .............................................................................................................................. 15

Table 5. Driver Characteristics ............................................................................................................................... 16

Table 6. Device Characteristics .............................................................................................................................. 17

Table 7. Switching Characteristics ......................................................................................................................... 18

Table 8. Clock Characteristics ............................................................................................................................... 18

Table 9. PHY Register Map for the Cable Environment ........................................................................................ 20

Table 10. PHY Register Fields for the Cable Environment .................................................................................... 20

Table 11. PHY Register Page 0: Port Status Page ............................................................................................... 22

Table 12. . PHY Register Port Status Page Fields ................................................................................................ 23

Table 13. PHY Register Page 1: Vendor Identification Page

............................................................................... 24

Table 14. PHY Register Vendor Identification Page Fields ................................................................................... 24