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TUSB7340 数据表(PDF) 51 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) 51 Page - Texas Instruments

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8.1.32 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 8-43. PCI Register 4Ch
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
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
0
0
0
0
0
0
0
0
0
0
0
0
8.1.33 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 8-44. PCI Register 54h
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
0
0
0
0
0
0
0
0
0
0
0
Table 8-45. MSI Message Data Register Description
BIT
FIELD NAME
ACCESS
DESCRIPTION
15:4
MSG
rw
System Specific Message. This field contains the portion of the message
that the TUSB73X0 can never modify.
3:0
MSG_NUM
rw
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
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
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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