參數(shù)資料
型號: ISP1563BM
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): 69/102頁
文件大?。?/td> 466K
代理商: ISP1563BM
ISP1563_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 15 March 2007
69 of 102
NXP Semiconductors
ISP1563
HS USB PCI Host Controller
This eld is a 15-element nibble array, and each 4 bits is one array element. Each array
location corresponds one-to-one with a physical port provided by the Host Controller. For
example, PORTROUTE[0] corresponds to the rst PORTSC port, PORTROUTE[1] to the
second PORTSC port, and so on. The value of each element indicates to which of the
companion Host Controllers this port is routed. Only the rst N_PORTS elements have
valid information. A value of zero indicates that the port is routed to the lowest numbered
function companion Host Controller. A value of one indicates that the port is routed to the
next lowest numbered function companion Host Controller, and so on.
11.4 Operational registers of enhanced USB Host Controller
11.4.1 USBCMD register
The USB Command (USBCMD) register indicates the command to be executed by the
serial Host Controller. Writing to this register causes a command to be executed.
Table 103 shows the bit allocation.
[1]
The reserved bits should always be written with the reset value.
Table 103. USBCMD - USB Command register bit allocation
Address: Content of the base address register + 20h
Bit
31
30
29
28
27
26
25
24
Symbol
reserved[1]
Reset
00000000
Access
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
ITC[7:0]
Reset
00001000
Access
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
reserved[1]
Reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
LHCR
IAAD
ASE
PSE
FLS[1:0]
HCRESET
RS
Reset
00000000
Access
R/W
Table 104. USBCMD - USB Command register bit description
Address: Content of the base address register + 20h
Bit
Symbol
Description
31 to 24
reserved
-
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