Hc Current Control Register (Hccontrolcurrented); Hc Current Control Register (Hccontrolcurrented) Field Descriptions - Texas Instruments TMS320C6747 DSP User Manual

Registers

3.10 HC Current Control Register (HCCONTROLCURRENTED)

The HC current control register (HCCONTROLCURRENTED) defines the physical address of the next
endpoint descriptor (ED) on the control ED list. HCCONTROLCURRENTED is shown in
described in Table
Figure 11. HC Current Control Register (HCCONTROLCURRENTED)
31
15
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 11. HC Current Control Register (HCCONTROLCURRENTED) Field Descriptions
Bit Field Value
31-4 CCED 0-FFF FFFFh Physical address of the current ED on the control ED list. This field represents bits 31-4 of the
3-0 Reserved
22 Universal Serial Bus OHCI Host Controller
11.
CCED
R/W-0
Description
physical address of the next ED on the control ED list. EDs are assumed to begin on a 16-byte
aligned address, so bits 3-0 of this pointer are assumed to be 0. For the restrictions on physical
addresses, see Section
A value of 0 indicates that the USB1.1 host controller has reached the end of the control ED list
without finding any transfers to process. This register is automatically updated by the USB1.1 host
controller.
0 Reserved
CCED
R/W-0
2.7.
www.ti.com
Figure 11 and
4 3
Reserved
R-0
SPRUFM8 – June 2009
Submit Documentation Feedback
16
0