Ordering Information; Block Diagram - Philips Universal Serial Bus ISP1122 Specification Sheet

Universal serial bus stand-alone hub
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3. Ordering information

Table 1:
Ordering information
Type number
Package
Name
ISP1122D
SO32
ISP1122NB
SDIP32
ISP1122BD
LQFP32

4. Block diagram

ISP1122
ANALOG
GoodLink/
Tx/Rx
POWER SWITCH/
OC DETECT
D
D
overcurrent
LED/
detection
power switch
downstream
port 1
This is a conceptual block diagram and does not include each individual signal.
Fig 1. Block diagram.
9397 750 07002
Product specification
Full-scan design with high test coverage
Available in 32-pin SDIP, SO and LQFP packages.
Description
plastic small outline package; 32 leads; body width 7.5 mm
plastic shrink dual in-line package; 32 leads (400 mil)
plastic low profile quad flat package; 32 leads; body 7 x 7 x 1.4 mm
V CC
V reg(3.3)
5 V
SUPPLY
REGULATOR
3.3 V
HUB
REPEATER
ANALOG
ANALOG
GoodLink/
Tx/Rx
Tx/Rx
POWER SWITCH/
OC DETECT
D
D
overcurrent
LED/
D
D
detection
power switch
downstream
port 2
Rev. 03 — 29 March 2000
upstream
port
6 MHz
D
D
LED
PLL
ANALOG
HUB
Tx/Rx
GoodLink
BIT CLOCK
RECOVERY
full
speed
PHILIPS
SIE
ANALOG
GoodLink/
GoodLink/
Tx /Rx
POWER SWITCH/
POWER SWITCH/
OC DETECT
OC DETECT
overcurrent
LED/
D
D
overcurrent
detection
power switch
detection
downstream
downstream
port 3
port 4
ISP1122
USB stand-alone hub
2
PACKET
I
C-BUS
GENERATOR
INTERFACE
INDV
HUB
OPTION
CONTROLLER
END OF
FRAME
TIMERS
ANALOG
GoodLink/
Tx/ Rx
POWER SWITCH/
OC DETECT
LED/
D
D
overcurrent
LED/
power switch
detection
power switch
downstream
port 5
© Philips Electronics N.V. 2000. All rights reserved.
Version
SOT287-1
SOT232-1
SOT358-1
SDA
SCL
GENERAL
PORT
CONTROLLER
self/bus
powered
MGR774
2 of 48

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