Datasheet

TSB81BA3D, TSB81BA3DI
IEEE 1394b THREE-PORT CABLE TRANSCEIVER/ARBITER
SLLS559E − DECEMBER 2002 − REVISED JUNE 2006
20
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
The vendor identification page identifies the vendor/manufacturer and compliance level. The page is selected
by writing 1 to the Page_Select field in base register 7. Table 5 shows the configuration of the vendor
identification page, and Table 6 shows the corresponding field descriptions.
Table 5. Page 1 (Vendor ID) Register Configuration
BIT POSITION
Address 0 1 2 3 4 5 6 7
1000 Compliance
1001 Reserved
1010 Vendor_ID[0]
1011 Vendor_ID[1]
1100 Vendor_ID[2]
1101 Product_ID[0]
1110 Product_ID[1]
1111 Product_ID[2]
Table 6. Page 1 (Vendor ID) Register Field Descriptions
FIELD SIZE TYPE DESCRIPTION
Compliance 8 Rd Compliance level. For the TSB81BA3D this field is 02h, indicating compliance with the P1394b specification.
Vendor_ID 24 Rd Manufacturer’s organizationally unique identifier (OUI). For the TSB81BA3D this field is 08_00_28h (Texas
Instruments) (the MSB is at register address 1010b).
Product_ID 24 Rd Product identifier. For the TSB81BA3D this field is 83_13_06h (the MSB is at register address 1101b).
The vendor-dependent page provides access to the special control features of the TSB81BA3D, as well as
configuration and status information used in manufacturing test and debug. This page is selected by writing 7
to the Page_Select field in base register 7. Table 7 shows the configuration of the vendor-dependent page, and
Table 8 shows the corresponding field descriptions.
Table 7. Page 7 (Vendor-Dependent) Register Configuration
BIT POSITION
Address 0 1 2 3 4 5 6 7
1000 Reserved Reserved
1001 Reserved for test
1010 Reserved for test
1011 Reserved for test
1100 Reserved for test
1101 Reserved for test
1110 SWR Reserved for test
1111 Reserved for test
Table 8. Page 7 (Vendor-Dependent) Register Field Descriptions
FIELD SIZE TYPE DESCRIPTION
SWR 1 Rd/Wr Software hard reset. Writing a 1 to this bit forces a hard reset of the PHY (same effect as momentarily
asserting the RESETz terminal low). This bit is always read as a 0.