HS_USB2.0 host
RM0082
420/844
Doc ID 018672 Rev 1
Register Map for OHCI
Table 349.
EHCI host controller specific registers summary
Name
Offset
(1)
1. The offset is intended to be with respect to the operational registers base address
(USBOPBASE).
Size
(bit)
Type Reset value
Description
INSNREG00
US0x80
14
RW
14’h0
Programmable microframe
base value.
INSNREG01
US 0x84
32
RW
32’h00200020
Programmable packet buffer
out/in thresholds.
INSNREG02
US0x88
12
RW
12’h080
Programmable packet buffer
depth.
INSNREG03
US0x8C
1
RW
1’h0
Break memory transfer.
INSNREG04
US 0x90
3
RW
3’h0
For debug purposes only.
INSNREG05
US0x94
32
RW
32’h00001000
UTMI control and status
registers.
Table 350.
Host controller operational registers
Offset
Register name
00
HcRevision
04
HcControl
08
HcCommandStatus
0C
HcInterruptStatus
10
HcInterruptEnable
14
HcInterruptDisable
18
HcHCCA
1C
HcPeriodCurrentED
20
HcControlHeadED
24
HcControlCurrentED
28
HcBulkHeadED
2C
HcBulkCurrentED
30
HcDoneHead
34
HcFmInterval
38
HcFmRemaining
3C
HcFmNumber
40
HcPeriodicStart
44
HcLSTreshold
48
HcRhDescriptorA
4C
HcRhDescriptorB