參數(shù)資料
型號(hào): ISP1561BM,557
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP128
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-420-1, LQFP-128
文件頁(yè)數(shù): 81/103頁(yè)
文件大?。?/td> 457K
代理商: ISP1561BM,557
ISP1561_2
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 02 — 5 March 2007
79 of 103
NXP Semiconductors
ISP1561
HS USB PCI Host Controller
11.4.9 PORTSC registers 1, 2, 3, 4 (address: content of the base address register +
50h + (4 times Port Number
1)) where Port Number is 1, 2, 3,...N_Ports
The Port Status and Control (PORTSC) register (bit allocation: Table 118) is in the
auxiliary power well. It is only reset by hardware when the auxiliary power is initially
applied or in response to a Host Controller reset. The initial conditions of a port are:
No device connected
Port disabled
If the port has power control, software cannot change the state of the port until it sets port
power bits. Software must not attempt to change the state of the port until power is stable
on the port; maximum delay is 20 ms from the transition.
Table 118. PORTSC 1, 2, 3, 4 register: bit allocation
Bit
31
30
29
28
27
26
25
24
Symbol
reserved
Reset
00000000
Access
--------
Bit
23
22
21
20
19
18
17
16
Symbol
reserved
WKOC_E
WKDS
CNNT_E
WKCNNT_
E
PTC[3:0]
Reset
00000000
Access
-
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
PIC[1:0]
PO
PP
LS[1:0]
reserved
PR
Reset
00100000
Access
R
R/W
-
R
Bit
7
6
5
4
3
2
1
0
Symbol
SUSP
FPR
OCC
OCA
PEDC
PED
ECSC
ECCS
Reset
00000000
Access
R/W
R
R/W
R
Table 119. PORTSC 1, 2, 3, 4 register: bit description
Bit
Symbol
Description
31 to 23 -
reserved
22
WKOC_E
Wake on Overcurrent Enable: Default = 0. Setting this bit enables the port
to be sensitive to overcurrent conditions as wake-up events.[1]
21
WKDS
CNNT_E
Wake on Disconnect Enable: Default = 0. Setting this bit enables the port
to be sensitive to device disconnects as wake-up events.[1]
20
WKCNNT
_E
Wake on Connect Enable: Default = 0. Setting this bit enables the port to
be sensitive to device connects as wake-up events.[1]
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