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ISP1123 Datasheet(PDF) 2 Page - NXP Semiconductors

Part # ISP1123
Description  Universal Serial Bus compound hub
Download  49 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

ISP1123 Datasheet(HTML) 2 Page - NXP Semiconductors

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Philips Semiconductors
ISP1123
USB compound hub
Preliminary specification
Rev. 01 — 5 October 1999
2 of 49
9397 750 06325
© Philips Electronics N.V. 1999. All rights reserved.
s Operation over the extended USB bus voltage range (4.0 to 5.5 V)
s Operating temperature range
−40 to +85 °C
s 8 kV in-circuit ESD protection for lower cost of external components
s Full-scan design with high test coverage
s Available in 32-pin SDIP, SO and LQFP packages.
3.
Ordering information
[1]
For the availability of the LQFP32 package please contact your local Philips Semiconductors sales office.
4.
Block diagram
Table 1:
Ordering information
Type number
Package
Name
Description
Version
ISP1123D
SO32
plastic small outline package; 32 leads; body width 7.5 mm
SOT287-1
ISP1123NB
SDIP32
plastic shrink dual in-line package; 32 leads (400 mil)
SOT232-1
ISP1123BD [1]
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 of the ISP1123.
MBL083
I2C-BUS
INTERFACE
HUB
REPEATER
ISP1123
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream port 1:
embedded or non-removable
function
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream port 2
(removable)
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream port 3
(removable)
LED/
power switch
GoodLink/
POWER SWITCH/
OC DETECT
ANALOG
Tx/Rx
D
+ D− overcurrent
detection
downstream port 4
(removable)
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
(removable)
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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