Datasheet

TUSB7320, TUSB7340
SLLSE76E–MARCH 2011– REVISED JULY 2011 www.ti.com
Table 6-20. USB Status Register Description
Bit Field Name Access Description
31:13 RSVD r Reserved. Returns zeros when read.
12 HCE r Host Controller Error
11 CNR r Controller Not Ready
10 SRE rc Save/Restore Error.
9 RSS r Restore State Status.
8 SSS r Save State Status.
7:5 RSVD r Reserved. Returns zeros when read.
4 PCD rc Port Change Detect
3 EINT rc Event Interrupt.
2 HSE rc Host System Error.
1 RSVD r Reserved. Returns zeros when read.
0 HCH r HC Halted.
6.3.4 Page Size Register
This register indicates the page size supported by the TUSB73X0.
Operational Base register offset:08h
Register type:Read-Only
Default value: 0000 0001h
Table 6-21. HC Operational Register (Operational Base + 08h)
Bit
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
State
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
No.
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
State
Table 6-22. Page Size Register Description
Bit Field Name Access Description
31:16 RSVD r Reserved. Returns zeros when read.
Page Size. The TUSB73X0 supports a 4k byte page size, so this field is
15:0 PAGE_SIZE r
set to 0000 0001h.
82 xHCI MEMORY MAPPED REGISTER SPACE Copyright © 2011, Texas Instruments Incorporated
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Product Folder Link(s): TUSB7320 TUSB7340