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ISP1122ABD Datasheet(PDF) 2 Page - NXP Semiconductors

No. de pieza ISP1122ABD
Descripción Electrónicos  Universal Serial Bus stand-alone hub
PDF  48 Pages
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

ISP1122ABD Datasheet(HTML) 2 Page - NXP Semiconductors

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Philips Semiconductors
ISP1122A
USB stand-alone hub
Preliminary specification
Rev. 01 — 27 March 2000
2 of 48
9397 750 06986
© Philips Electronics N.V. 2000. All rights reserved.
s Full-scan design with high test coverage
s Available in 32-pin SDIP, SO and LQFP packages.
3.
Ordering information
4.
Block diagram
Table 1:
Ordering information
Type number
Package
Name
Description
Version
ISP1122AD
SO32
plastic small outline package; 32 leads; body width 7.5 mm
SOT287-1
ISP1122ANB
SDIP32
plastic shrink dual in-line package; 32 leads (400 mil)
SOT232-1
ISP1122ABD
LQFP32
plastic low profile quad flat package; 32 leads; body 7 x 7 x 1.4 mm
SOT358-1
This is a conceptual block diagram and does not include each individual signal.
Fig 1.
Block diagram.
MBL169
I2C-BUS
INTERFACE
HUB
REPEATER
ISP1122A
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream
port 1
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream
port 2
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream
port 3
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream
port 4
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D−
full
speed
upstream
port
LED
HUB
GoodLink
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
self/bus
powered
downstream
port 5
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
HUB
CONTROLLER
PACKET
GENERATOR
GENERAL
PORT
CONTROLLER
END OF
FRAME
TIMERS
PHILIPS
SIE
BIT CLOCK
RECOVERY
PLL
6 MHz
SUPPLY
REGULATOR
VCC
3.3 V
5 V
Vreg(3.3)
SDA
INDV
OPTION
SCL



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