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TUSB7340 Datasheet(PDF) 105 Page - Texas Instruments

Part # TUSB7340
Description  TUSB73x0 USB 3.0 xHCI Host Controller
PDF  122 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

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Table 8-184. USB Legacy Support Control/Status Register Description (continued)
BIT
FIELD NAME
ACCESS
DESCRIPTION
3:1
RSVD
r
Reserved. Returns zeros when read.
0
USB_SMI_EN
rw
USB SMI Enable.
8.3.6.3 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 8-185. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 10h)
Bit
No.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reset
State
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Bit
No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
State
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
Table 8-186. xHCI Supported Protocol Capability Register (USB 2.0) Description
BIT
FIELD NAME
ACCESS
DESCRIPTION
31:24
MAJOR_REV
r
Major Revision. This field is 02h, because this Supported Protocol
Capability is for release 2.0 of the USB specification.
23:16
MINOR_REV
r
Minor Revision. This field is 00h, because this Supported Protocol
Capability is for release 2.0 of the USB specification.
15:8
NEXT_CAP
r
Next Capability Pointer. This field is 04h, indicating that the xHCI
Supported Protocol Capability for USB 3.0 starts at offset 20h from the
xHCI Extended Capabilities Base.
7:0
CAPABILITY_ID
r
Capability ID. This field is 02h, identifying this capability as a Supported
Protocol Capability.
8.3.6.4 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 8-187. xHCI Extended Capabilities Register (xHCI Extended Capabilities Base + 14h)
Bit
No.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reset
State
0
0
1
0
0
0
0
0
0
1
0
0
0
0
1
0
Bit
No.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reset
State
0
1
0
1
0
0
1
1
0
1
0
1
0
1
0
1
www.ti.com
TUSB7320, TUSB7340
SLLSE76Q – MARCH 2011 – REVISED MARCH 2024
Copyright © 2024 Texas Instruments Incorporated
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Product Folder Links: TUSB7320 TUSB7340



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