參數(shù)資料
型號： ISP1563BM,557
廠商： ST-ERICSSON
元件分類： 總線控制器
英文描述： UNIVERSAL SERIAL BUS CONTROLLER, PQFP100
封裝： 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-100
文件頁數(shù)： 56/102頁
文件大?。?/td> 466K
代理商： ISP1563BM,557
ISP1563_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 15 March 2007
57 of 102
NXP Semiconductors
ISP1563
HS USB PCI Host Controller
[1]
The reserved bits should always be written with the reset value.
Table 83.
HcRhStatus - Host Controller Root Hub Status register bit allocation
Address: Content of the base address register + 50h
Bit
31
30
29
28
27
26
25
24
Symbol
CRWE
reserved[1]
Reset
00000000
Access
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
reserved[1]
CCIC
LPSC
Reset
00000000
Access
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
DRWE
reserved[1]
Reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
reserved[1]
OCI
LPS
Reset
00000000
Access
R/W
R
R/W
Table 84.
HcRhStatus - Host Controller Root Hub Status register bit description
Address: Content of the base address register + 50h
Bit
Symbol
Description
31
CRWE
On write, Clear Remote Wake-up Enable:
0 — No effect
1 — Clears DRWE (Device Remote Wake-up Enable)
30 to 18
reserved
-
17
CCIC
Overcurrent Indicator Change: This bit is set by hardware when a change has occurred to the OCI
bit of this register.
0 — No effect
1 — The HCD clears this bit.
16
LPSC
On read, Local Power Status Change: The root hub does not support the local power status feature.
Therefore, this bit is always logic 0.
On write, Set Global Power: In global power mode (Power Switching Mode = 0), logic 1 is written to
this bit to turn on power to all ports (clear Port Power Status). In per-port power mode, it sets Port
Power Status only on ports whose Port Power Control Mask bit is not set. Writing logic 0 has no
effect.
15
DRWE
On read, Device Remote Wake-up Enable: This bit enables bit Connect Status Change (CSC) as a
resume event, causing a state transition from USBSUSPEND to USBRESUME and setting the
Resume Detected interrupt.
0 — CSC is not a remote wake-up event.
1 — CSC is a remote wake-up event.
On write, Set Remote Wake-up Enable: Writing logic 1 sets DRWE (Device Remote Wake-up
Enable). Writing logic 0 has no effect.
14 to 2
reserved
-
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