Public Version
High-Speed USB Host Subsystem
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Bits
Field Name
Description
Type
Reset
31
FRT
Frame remaining toggle.
R
0
This bit is used for the synchronization between
USBHOST.
[13:0] FI and FR.
This bit is loaded from the
USBHOST.
[31] FIT field whenever FR
reaches 0.
30:14
RESERVED
Reserved
R
0x00000
13:0
FR
Frame remaining.
R
0x0000
This counter is decremented at each bit time. When it
reaches 0, it is reset by loading the
USBHOST.
[13:0] FI value at the next bit
time boundary.
Table 22-193. Register Call Summary for Register HCFMREMAINING
High-Speed USB Host Subsystem
•
High-Speed USB Host Subsystem Register Summary
•
High-Speed USB Host Subsystem Register Description
:
Table 22-194. HCFMNUMBER
Address Offset
0x0000 003C
Physical Address
0x4806 443C
Instance
OHCI
Description
HC Frame Number Register
Type
R
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
FN
Bits
Field Name
Description
Type
Reset
31:16
RESERVED
Reserved
R
0x0000
15:0
FN
Frame Number.
R
0x0000
This is incremented when USBHOST.
is reloaded. It is rolled over to 0x0000 after 0xFFFF.
Table 22-195. Register Call Summary for Register HCFMNUMBER
High-Speed USB Host Subsystem
•
High-Speed USB Host Subsystem Register Summary
Table 22-196. HCPERIODICSTART
Address Offset
0x0000 0040
Physical Address
0x4806 4440
Instance
OHCI
Description
HC Periodic Start Register
Type
RW
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RESERVED
PS
3336
High-Speed USB Host Subsystem and High-Speed USB OTG Controller
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated