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High-Speed USB Host Subsystem
Bits
Field Name
Description
Type
Reset
31:6
RESERVED
Reserved
R
0x0000000
5
IAAE
Interrupt on Async Advance Enable
RW
0
0x1: When the USBHOST.
[5] IAA bit is 1, the
host controller issues an interrupt at the next interrupt
threshold. The interrupt is acknowledged by software
clearing the USBHOST.
[5] IAA bit.
4
HSEE
Host System Error Enable
RW
0
0x1: When the USBHOST.
[4] HSE bit is 1, the
host controller issues an interrupt. The interrupt is
acknowledged by software clearing the
USBHOST.
[4] HSE bit.
3
FLRE
Frame List Rollover Enable
RW
0
0x1: When the USBHOST.
[3] FLR bit is 1, the
host controller issues an interrupt. The interrupt is
acknowledged by software clearing the
USBHOST.
[3] FLR bit.
2
PCIE
Port Change Interrupt Enable
RW
0
0x1: When the USBHOST.
[2] PCD bit is 1, the
host controller issues an interrupt. The interrupt is
acknowledged by software clearing the
USBHOST.
[3] FLR bit.
1
USBEIE
USB Error Interrupt Enable
RW
0
0x1: When the USBHOST.
[1] USBEI bit is 1, the
host controller issues an interrupt at the next interrupt
threshold. The interrupt is acknowledged by software
clearing the USBHOST.
[1] USBEI bit.
0
USBIE
USB Interrupt Enable
RW
0
0x1: When the USBHOST.
[0] USBI bit is 1, the
host controller issues an interrupt at the next interrupt
threshold. The interrupt is acknowledged by software
clearing the USBHOST.
[0] USBI bit.
Table 22-223. Register Call Summary for Register USBINTR
High-Speed USB Host Subsystem
•
High-Speed USB Host Subsystem Register Summary
Table 22-224. FRINDEX
Address Offset
0x0000 001C
Physical Address
0x4806 481C
Instance
EHCI
Description
USB frame index
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
FI
Bits
Field Name
Description
Type
Reset
31:14
RESERVED
Reserved
R
0x00000
13:0
FI
Frame index
RW
0x0000
The value in this register is incremented at the end of
each time frame.
Table 22-225. Register Call Summary for Register FRINDEX
High-Speed USB Host Subsystem
•
High-Speed USB Host Subsystem Register Summary
•
High-Speed USB Host Subsystem Register Description
:
3351
SWPU177N – December 2009 – Revised November 2010
High-Speed USB Host Subsystem and High-Speed USB OTG Controller
Copyright © 2009–2010, Texas Instruments Incorporated