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ISP1122ABD 数据表(PDF) 6 Page - NXP Semiconductors

部件名 ISP1122ABD
功能描述  Universal Serial Bus stand-alone hub
PDF  48 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

ISP1122ABD 数据表(HTML) 6 Page - NXP Semiconductors

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Philips Semiconductors
ISP1122A
USB stand-alone hub
Preliminary specification
Rev. 01 — 27 March 2000
6 of 48
9397 750 06986
© Philips Electronics N.V. 2000. All rights reserved.
5.2 ISP1122ABD (LQFP32)
5.2.1
Pinning
5.2.2
Pin description
Fig 4.
Pin configuration LQFP32.
handbook, full pagewidth
ISP1122ABD
MBL165
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
DP3
VCC
OC1
DM4
DM0
DP1
DM1
DP5
DM5
INDV/SDA
OPTION/SCL
RESET
OC2
OC3
OC4
OC5/GOC
Table 3:
Pin description for LQFP32
Symbol [1]
Pin
Type
Description
Vreg(3.3) [2]
29
-
regulated supply voltage (3.3 V
± 10%) from internal
regulator; used to connect pull-up resistor on DP0 line
PSW2/GL2 [3]
30
O
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
Ω series resistor
GND
31
-
ground supply
DM3
32
AI/O
downstream port 3 D
− connection (analog) [4]
DP3
1
AI/O
downstream port 3 D
+ connection (analog) [4]
VCC
2
-
supply voltage; connect to USB supply VBUS (bus-powered or
hybrid-powered) or to local supply VDD (self-powered)
OC1
3
AI/I
overcurrent sense input for downstream port 1 (analog [5])
OC2
4
AI/I
overcurrent sense input for downstream port 2 (analog [5])
OC3
5
AI/I
overcurrent sense input for downstream port 3 (analog [5])
OC4
6
AI/I
overcurrent sense input for downstream port 4 (analog [5])



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