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TUSB7340 数据表(PDF) 86 Page - Texas Instruments

部件名 TUSB7340
功能描述  TUSB73x0 USB 3.0 xHCI Host Controller
PDF  122 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TUSB7340 数据表(HTML) 86 Page - Texas Instruments

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Default value: 0800 0840h
Table 8-131. HC Capability Register 04h
Bit
No.
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Reset
State
0
0
0
0
1
0
0
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
1
0
0
0
0
1
0
0
0
0
0
0
Table 8-132. HC Structural Parameters 1 Description
BIT
FIELD NAME
ACCESS
DESCRIPTION
31:24
MAX_PORTS
r
Number of Ports. For the TUSB7340, this field is 08h to indicate that 8
ports are supported. For the TUSB7320, this field is 04h to indicate that
4 ports are supported. This field also indicates the number of sets of port
registers that are addressable in the Operational Register Space.
23:19
RSVD
r
Reserved. Returns zeros when read.
18:8
MAX_INTRS
r
Number of Interrupters. This field specifies the number of Interrupters
that are implemented. The TUSB73x0 implements 8 Interrupters. Each
Interrupter is allocated to a vector of MSI-X.
7:0
MAX_SLOTS
r
Number of Device Slots. This field specifies the maximum number of
Device Context Structures and Doorbell Array entries that are supported.
The TUSB73x0 supports 64 Device Slots.
TUSB7320, TUSB7340
SLLSE76Q – MARCH 2011 – REVISED MARCH 2024
www.ti.com
86
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TUSB7320 TUSB7340



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