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TUSB7340 数据表(PDF) 36 Page - Texas Instruments

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部件名 TUSB7340
功能描述  USB 3.0 xHCI Host Controller
PDF  117 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TUSB7340 数据表(HTML) 36 Page - Texas Instruments

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TUSB7320, TUSB7340
SLLSE76M – MARCH 2011 – REVISED JULY 2015
www.ti.com
7.5.1.32 MSI Upper Message Address Register
This register contains the upper 32 bits of the address that a MSI message is written to when an interrupt is to be
signaled. If this register is 0000 0000h, 32-bit addressing is used; otherwise, 64-bit addressing is used.
PCI register offset: 50h
Register type: Read/Write
Default value: 0000 0000h
Table 47. PCI Register 4Ch
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
0
State
7.5.1.33 MSI Message Data Register
This 16-bit register contains the data that software programmed the device to send when it sends a MSI
message.
PCI register offset: 54h
Register type: Read/Write
Default value: 0000h
Table 48. PCI Register 54h
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
0
State
Table 49. MSI Message Data Register Description
BIT
FIELD NAME
ACCESS
DESCRIPTION
System Specific Message. This field contains the portion of the message
15:4
MSG
rw
that the TUSB73X0 can never modify.
Message Number. This portion of the message field may be modified to
contain the message number if multiple messages are enabled. The
number of bits that are modifiable depends on the number of messages
enabled in the Message Control Register.
1 Message – No message data bits can be modified
3:0
MSG_NUM
rw
2 messages – Bit 0 can be modified
4 messages – Bits 0:1 can be modified
8 messages – Bits 0:2 can be modified
16 messages – Bits 0:3 can be modified
32 messages – Bits 0:4 can be modified
36
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Copyright © 2011–2015, Texas Instruments Incorporated
Product Folder Links: TUSB7320 TUSB7340



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