TSB41BA3APFP datasheet(20/66 Pages) TI

20 / 66 page

TSB41BA3A

IEEE 1394b THREEPORT CABLE TRANSCEIVER/ARBITER

SLLS618B − JUNE 2004 − REVISED AUGUST 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION

tsu

D, CTL, LREQ

xCLK

Figure 2. Dx, CTLx, LREQ Input Setup and Hold Time Waveforms

D, CTL

xCLK

Figure 3. Dx and CTLx Output Delay Relative to xCLK Waveforms

APPLICATION INFORMATION

Obtain from the Texas Instruments website or your local Texas Instruments representative the reference

schematics, reference layouts, debug documents, and software recommendations for the TSB41BA3A.

internal register configuration

There are 16 accessible internal registers in the TSB41BA3A. The configuration of the registers at addresses

0h through 7h (the base registers) is fixed, while the configuration of the registers at addresses 8h through Fh

(the paged registers) is dependent upon which 1 of 8 pages, numbered 0h through 7h, is currently selected.

The selected page is set in base register 7h. Note that while this register set is compatible with 1394a-2000

Table 2 shows the configuration of the base registers and Table 3 gives the corresponding field descriptions.

The base register field definitions are unaffected by the selected page number.

A reserved register or register field (marked as Reserved or Rsvd in the following register configuration tables)

is read as 0, but is subject to future usage. All registers in address pages 2 through 6 are reserved.

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