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參數(shù)資料
型號： ISP1123
廠商： NXP Semiconductors N.V.
英文描述： Universal Serial Bus compound hub
中文描述： 通用串行總線復(fù)合樞紐
文件頁數(shù)： 4/49頁
文件大小： 1155K
代理商： ISP1123
Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
4 of 49
9397 750 06325
Philips Electronics N.V. 1999. All rights reserved.
6.1.2
Pin description
Table 2:
Symbol
[1]
V
reg(3.3)
[2]
Pin description for SO32 and SDIP32
Pin
Type
1
-
Description
regulated supply voltage (3.3 V
±
10%) from internal
regulator; used to connect pull-up resistor on DP0 line
modes 4 to 6
: power switch control output for downstream
port 2 (open-drain, 6 mA)
modes 0 to 3, 7
: GoodLink LED indicator output for
downstream port 2 (open-drain, 6 mA); to connect an LED
use a 330
series resistor
ground supply
downstream port 3 D
connection (analog)
[4]
downstream port 3 D
+
connection (analog)
[4]
supply voltage; connect to USB supply V
BUS
(bus-powered or
hybrid-powered) or to local supply V
DD
(self-powered)
overcurrent sense input for downstream port 1 (analog
[5]
)
overcurrent sense input for downstream port 2 (analog
[5]
)
overcurrent sense input for downstream port 3 (analog
[5]
)
overcurrent sense input for downstream port 4 (analog
[5]
)
modes 5, 7
: overcurrent sense input for downstream port 5
(analog
[5]
)
modes 0, 1, 3
: global overcurrent sense input (analog
[5]
)
downstream port 4 D
connection (analog)
[4]
downstream port 4 D
+
connection (analog)
[4]
selects power mode:
self-powered
: connect to V
DD
(local power supply); also use
this mode for hybrid-powered operation
bus-powered
: connect to GND; disable downstream port 5 to
meet supply current requirements
[4]
hub GoodLink LED indicator output (open-drain, 6 mA);
to connect an LED use a 330
series resistor; if unused
connect to V
CC
via a 10 k
resistor
modes 4 to 6
: power switch control output for downstream
port 3 (open-drain, 6 mA)
modes 0 to 3, 7
: GoodLink LED indicator output for
downstream port 3 (open-drain, 6 mA); to connect an LED
use a 330
series resistor
modes 4 to 6
: power switch control output for downstream
port 4 (open-drain, 6 mA)
modes 0 to 3, 7
: GoodLink LED indicator output for
downstream port 4 (open-drain, 6 mA); to connect an LED
use a 330
series resistor
PSW2/GL2
[3]
2
O
GND
DM3
DP3
V
CC
3
4
5
6
-
AI/O
AI/O
-
OC1
OC2
OC3
OC4
OC5/GOC
[3]
7
8
9
10
11
AI/I
AI/I
AI/I
AI/I
AI/I
DM4
DP4
SP/BP
12
13
14
AI/O
AI/O
I
HUBGL
15
O
PSW3/GL3
[3]
16
O
PSW4/GL4
[3]
17
O
相關(guān)PDF資料
PDF描述
ISP1123D Universal Serial Bus compound hub
ISP1123NB Universal Serial Bus compound hub
ISP1130 Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL Universal Serial Bus compound hub with integrated keyboard controller
ISP1130N Universal Serial Bus compound hub with integrated keyboard controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISP1123BD 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1123D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1123NB 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub
ISP1130 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
ISP1130DL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus compound hub with integrated keyboard controller
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