isp1122 NXP Semiconductors, isp1122 Datasheet - Page 2

• Manufacturer Part Number: isp1122
• Description: Isp1122 Universal Serial Bus Stand-alone Hub
• Manufacturer: NXP Semiconductors

3. Ordering information
Table 1:
4. Block diagram
Philips Semiconductors
9397 750 07002
Product specification
Type number
ISP1122D
ISP1122NB
ISP1122BD
Fig 1. Block diagram.
This is a conceptual block diagram and does not include each individual signal.
ANALOG
D
Tx/Rx
Ordering information
D
overcurrent
downstream
detection
POWER SWITCH/
port 1
OC DETECT
GoodLink/
power switch
ISP1122
Package
Name
SO32
SDIP32
LQFP32
LED/
ANALOG
D
Tx/Rx
D
Full-scan design with high test coverage
Available in 32-pin SDIP, SO and LQFP packages.
overcurrent
downstream
detection
POWER SWITCH/
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
port 2
OC DETECT
GoodLink/
power switch
REGULATOR
LED/
SUPPLY
V CC
3.3 V
5 V
REPEATER
ANALOG
V reg(3.3)
D
Tx/Rx
HUB
Rev. 03 — 29 March 2000
D
overcurrent
downstream
detection
POWER SWITCH/
port 3
ANALOG
upstream
D
OC DETECT
Tx/Rx
port
GoodLink/
D
power switch
LED/
full
speed
GoodLink
HUB
LED
ANALOG
D
Tx /Rx
D
overcurrent
downstream
detection
RECOVERY
BIT CLOCK
POWER SWITCH/
PHILIPS
port 4
6 MHz
PLL
OC DETECT
SIE
GoodLink/
power switch
LED/
CONTROLLER
GENERATOR
ANALOG
D
PACKET
Tx/ Rx
HUB
D
overcurrent
downstream
detection
POWER SWITCH/
END OF
TIMERS
FRAME
port 5
OPTION
OC DETECT
INDV
GoodLink/
USB stand-alone hub
INTERFACE
power switch
© Philips Electronics N.V. 2000. All rights reserved.
I
2
C-BUS
LED/
ISP1122
CONTROLLER
GENERAL
MGR774
powered
self/bus
PORT
Version
SOT287-1
SOT232-1
SOT358-1
SDA
SCL
2 of 48