Datasheet

44
4.1 OHCI Version Register
The OHCI version register indicates the OHCI version support and whether or not the serial EEPROM is present. See
Table 42 for a complete description of the register contents.
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Name OHCI version
Type R R R R R R R R R R R R R R R R
Default 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 1
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name OHCI version
Type R R R R R R R R R R R R R R R R
Default 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
Register: OHCI version
Offset: 00h
Type: Read-only
Default: 0X01 0010h
Table 42. OHCI Version Register Description
BIT FIELD NAME TYPE DESCRIPTION
3125 RSVD R Reserved. Bits 3125 return 0s when read.
24 GUID_ROM R The TSB43AB23 device sets bit 24 to 1 if the serial EEPROM is detected. If the serial EEPROM is
present, the Bus_Info_Block is automatically loaded on system (hardware) reset.
2316 version R Major version of the OHCI. The TSB43AB23 device is compliant with the 1394 Open Host Controller
Interface Specification (Revision 1.1); thus, this field reads 01h.
158 RSVD R Reserved. Bits 158 return 0s when read.
70 revision R Minor version of the OHCI. The TSB43AB23 device is compliant with the 1394 Open Host Controller
Interface Specification (Revision 1.1); thus, this field reads 10h.