EP80579 Datasheet, PDF (992/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
26.2.1.23 Offset 60h: SBRN - Serial Bus Release Number Register
Table 26-25. Offset 60h: SBRN - Serial Bus Release Number Register
Description:
View: PCI
BAR: Configuration
Bus:Device:Function: 0:29:7
Offset Start: 60h
Offset End: 60h
Size: 8 bit
Default: 20h
Power Well: Core
Bit Range
07 :00
Bit Acronym
Bit Description
SBRN
A value of 20h indicates that this controller follows USB
2.0.
Sticky
Bit Reset
Value
20h
Bit Access
RO
26.2.1.24 Offset 61h: FLA - Frame Length Adjustment Register
This feature is used to adjust any offset from the clock source that generates the clock
that drives the SOF counter. When a new value is written into these six bits, the length
of the frame is adjusted. Its initial programmed value is system dependent based on
the accuracy of hardware USB clock and is initialized by system BIOS. This register
must only be modified when the HChalted bit in the USBSTS register is a one. Changing
value of this register while the host controller is operating yields undefined results. It
must not be reprogrammed by USB system software unless the default or BIOS
programmed values are incorrect, or the system is restoring the register while
returning from a suspended state.
Table 26-26. Offset 61h: FLA - Frame Length Adjustment Register
Description: Reset: Suspend well, not D3-to-D0 nor core well reset
View: PCI
BAR: Configuration
Bus:Device:Function: 0:29:7
Offset Start: 61h
Offset End: 61h
Size: 8 bit
Default: 20h
Power Well: Suspend
Bit Range
07 :06
05 :00
Bit Acronym
Bit Description
Sticky
Reserved
FLTV
Reserved.
Frame Length Timing Value: Each decimal value
change to this register corresponds to 16 high-speed bit
times. The SOF cycle time (number of SOF counter clock
periods to generate a SOF microframe length) is equal to
59488 + value in this field. The default value is decimal 32
(20h), which gives a SOF cycle time of 60000.
Frame Length
(# High Speed bit times)FLADJ Value
(decimal)
(decimal)
59488
59504
59520
…
59984
60000
…
60480
60496
0 (00h)
1 (01h)
2 (02h)
31 (1Fh)
32 (20h)
62(3Eh)
63 (3Fh)
Bit Reset
Value
00h
100000b
Bit Access
RW
Intel^® EP80579 Integrated Processor Product Line Datasheet
992
August 2009
Order Number: 320066-003US