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Functional Overview
71
August 2002 Revised August 2003
SPRS197B
Table 328. USB Host Controller Registers
BYTE
ADDRESS
REGISTER NAME
DESCRIPTION
ACCESS
WIDTH
ACCESS
TYPE
RESET VALUE
FFFB:A000
HcRevision
OHCI Revision Register
32
R
0000 0010h
FFFB:A004
HcControl
Host Controller Operating Mode Register
32
RW
0000 0000h
FFFB:A008
HcCommandStatus
Host Controller Command and Status Register
32
RW
0000 0000h
FFFB:A00C
HcInterruptStatus
Host Controller Interrupt Status Register
32
RW
0000 0000h
FFFB:A010
HcInterruptEnable
Host Controller Interrupt Enable Register
32
RW
0000 0000h
FFFB:A014
HcInterruptDisable
Host Controller Interrupt Disable Register
32
R
0000 0000h
FFFB:A018
HcHCCA
LB Virtual Address HCCA Register
32
RW
0000 0000h
FFFB:A01C
HcPeriodCurrentED
LB Virtual Address Current Periodic EP Descriptor
Register
32
RW
0000 0000h
FFFB:A020
HcControlHeadED
LB Virtual Address Control EP Descriptor List Head
Register
32
RW
0000 0000h
FFFB:A024
HcControlCurrentED
LB Virtual Address Current Control EP Descriptor
Register
32
RW
0000 0000h
FFFB:A028
HcBulkHeadED
LB Virtual Address Bulk EP Descriptor List Head Register
32
RW
0000 0000h
FFFB:A02C
HcBulkCurrentED
LB Virtual Address Current Bulk EP Descriptor Register
32
RW
0000 0000h
FFFB:A030
HcDoneHead
LB Virtual Address Retired Transfer Descriptor List Head
Register
32
R
undef
FFFB:A034
HcFmInterval
32
RW
0000 2EDFh
FFFB:A038
HcFmRemaining
Remaining Frame Time Register
32
R
0000 0000h
FFFB:A03C
HcFmNumber
Remaining Frame Number Register
32
R
0000 0000h
FFFB:A040
HcPeriodicStart
Periodic Start Time Register
32
RW
0000 0000h
FFFB:A044
HcLSThreshold
Low Speed Start Threshold Register
32
RW
0000 0628h
FFFB:A048
HcRhDescriptorA
USB Root Hub Descriptor Register A
32
RW
0A00 1203h
FFFB:A04C
HcRhDescriptorB
USB Root Hub Descriptor Register B
32
RW
0000 0000h
FFFB:A050
HcRhStatus
USB Root Hub Status Register
32
RW
0000 0000h
FFFB:A054
HcRhPortStatus1
Port 1 Control and Status Register
32
RW
0000 0100h
FFFB:A058
HcRhPortStatus2
Port 2 Control and Status Register
32
RW
0000 0100h
FFFB:A05C
HcRhPortStatus3
Port 3 Control and Status Register
32
RW
0000 0100h
FFFB:A060
FFFB:A0DC
Reserved
FFFB:A0E0
HostUEAddr
LB Virtual Address Last Unrecoverable Error Register
32
R
0000 0000h
FFFB:A0E4
HostUEStatus
LB Cycle Type Last Unrecoverable Error Register
32
R
0000 0000h
FFFB:A0E8
HostTimeoutCtrl
USB Host Mastered Local Bus Time-out Enable Register
32
RW
0000 0000h
FFFB:A0EC
HostRevision
USB Host Controller Revision Register
32
R
Table 329. Camera Interface Registers
BYTE
ADDRESS
REGISTER NAME
DESCRIPTION
ACCESS
WIDTH
ACCESS
TYPE
RESET
VALUE
FFFB:6800
CTRLCLOCK
Clock Control Register
32
RW
0000 0000h
FFFB:6804
IT_STATUS
Interrupt Status Register
32
R
0000 0000h
FFFB:6808
MODE
Mode Configuration Register
32
RW
0000 0200h
FFFB:680C
STATUS
Status Register
32
R
0000 0000h
FFFB:6810
CAMDATA
Image Data Register
32
R
0000 0000h
FFFB:6814
GPIO
GPIO Register
32
RW
0000 0000h
FFFB:6818
PEAK_COUNTER
Fifo Peak Counter Register
32
RW
0000 0000h