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TUSB7340 数据表(PDF) 96 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) 96 Page - Texas Instruments

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Table 8-158. Port Status and Control Register Description (continued)
BIT
FIELD NAME
ACCESS
DESCRIPTION
25
WCE(1)
rw
Wake on Connect Enable.
24
RSVD
r
Reserved. Return zero when read.
23
CEC(1)
rc or r
Port Config Error Change. This field is only valid for USB 3.0 protocol
ports. For USB 2.0 protocol ports, this bit is reserved.
22
PLC(1)
rc
Port Link State Change.
21
PRC(1)
rc
Port Reset Change.
20
OCC(1)
rc
Overcurrent Change.
19
WRC(1)
rc or r
Warm Port Reset Change. This field is only valid for USB 3.0 protocol
ports. For USB 2.0 protocol ports, this bit is reserved.
18
PEC(1)
rc
Port Enabled/Disabled Change.
17
CSC(1)
rc
Connect Status Change.
16
LWS
w
Port Link State Write Strobe. This bit returns a zero when read.
15:14
PIC(1)
rw
Port Indicator Control. Because the TUSB73X0 does not support port
indicators, this field has no effect.
13:10
PORT_SPEED(1)
r
Port Speed
9
PP(1)
rw
Port Power.
8:5
PLS(1)
rw
Port Link State
4
PR(1)
rs
Port Reset.
3
OCA
r
Overcurrent Active.
2
RSVD
r
Reserved. Returns zero when read.
1
PED(1)
rc
Port Enabled/Disabled.
0
CCS(1)
r
Current Connect Status.
(1)
This bit is a sticky bit and is reset by a global reset (GRST) or the internally-generated power-on-reset.
8.3.3.10 Port PM Status and Control Register (USB 3.0 Ports)
The TUSB73X0 implements a Port PM Status and Control Register for each port that is implemented. The
number of Port PM Status and Control Registers is the same as the value in the MAX_PORTS field in the Host
Controller Structural Parameters 1 Register (see Host Controller Structural Parameters 1).
Operational Base register offset: 404h + (10h × (n-1))), where n = Port Number
Register type: Read-Only, Read/Write
Default value: 0000 0000h
Table 8-159. HC Operational Register (Operational Base + 404h + (10h × (n-1))), where n = Port Number
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
Table 8-160. Port PM Status and Control Register (USB 3.0) Description
BIT
FIELD NAME
ACCESS
DESCRIPTION
31:17
RSVD
r
Reserved. Returns zeros when read.
16
FLA
rw
Force Link PM Accept.
15:8
U2_TIMEOUT(1)
rw
U2 Timeout.
TUSB7320, TUSB7340
SLLSE76Q – MARCH 2011 – REVISED MARCH 2024
www.ti.com
96
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TUSB7320 TUSB7340



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