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TUSB7340 Datasheet(PDF) 89 Page - Texas Instruments

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Part # TUSB7340
Description  USB 3.0 xHCI Host Controller
PDF  117 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB7340 Datasheet(HTML) 89 Page - Texas Instruments

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TUSB7320, TUSB7340
www.ti.com
SLLSE76M – MARCH 2011 – REVISED JULY 2015
7.5.3.6.3
xHCI Supported Protocol Capability Register (USB 2.0)
This register indicates that the Supported Protocol Capability is for USB 2.0.
xHCI Extended Capabilities Base register offset: 10h
Register type: Read-Only
Default value: 0200 0402h
Table 189. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 10h)
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
1
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
1
0
0
0
0
0
0
0
0
1
0
State
Table 190. xHCI Supported Protocol Capability Register (USB 2.0) Description
BIT
FIELD NAME
ACCESS
DESCRIPTION
Major Revision. This field is 02h, because this Supported Protocol
31:24
MAJOR_REV
r
Capability is for release 2.0 of the USB specification.
Minor Revision. This field is 00h, because this Supported Protocol
23:16
MINOR_REV
r
Capability is for release 2.0 of the USB specification.
Next Capability Pointer. This field is 04h, indicating that the xHCI
15:8
NEXT_CAP
r
Supported Protocol Capability for USB 3.0 starts at offset 20h from the
xHCI Extended Capabilities Base.
Capability ID. This field is 02h, identifying this capability as a Supported
7:0
CAPABILITY_ID
r
Protocol Capability.
7.5.3.6.4
xHCI Supported Protocol Name String Register (USB 2.0)
This read only register is set to 2042 5355h, indicating that the Supported Protocol Capability is for USB 2.0.
xHCI Extended Capabilities Base register offset: 14h
Register type: Read-Only
Default value: 2042 5355h
Table 191. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 14h)
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
No.
Reset
0
0
1
0
0
0
0
0
0
1
0
0
0
0
1
0
State
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
No.
Reset
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
State
Copyright © 2011–2015, Texas Instruments Incorporated
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Product Folder Links: TUSB7320 TUSB7340



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