ISP1122A Просмотр технического описания (PDF) - Philips Electronics

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ISP1122A

Universal Serial Bus stand-alone hub

Philips Electronics 

Philips Semiconductors

ISP1122A

USB stand-alone hub

s Full-scan design with high test coverage

s Available in 32-pin SDIP, SO and LQFP packages.

3. Ordering information

Table 1: Ordering information

Type number

Package

Name

Description

ISP1122AD

SO32

plastic small outline package; 32 leads; body width 7.5 mm

ISP1122ANB

SDIP32

plastic shrink dual in-line package; 32 leads (400 mil)

ISP1122ABD

LQFP32 plastic low profile quad flat package; 32 leads; body 7 x 7 x 1.4 mm

4. Block diagram

Version

SOT287-1

SOT232-1

SOT358-1

ISP1122A

VCC Vreg(3.3)

5V

SUPPLY

REGULATOR

3.3 V

upstream

port

D+ D−

LED

ANALOG

Tx / Rx

HUB

GoodLink

full

speed

6 MHz

PLL

BIT CLOCK

RECOVERY

PHILIPS

SIE

PACKET

GENERATOR

I2C-BUS

INTERFACE

INDV

HUB

CONTROLLER OPTION

SDA

SCL

HUB

REPEATER

END OF

FRAME

TIMERS

GENERAL

PORT

CONTROLLER

ANALOG

Tx /Rx

GoodLink/

POWER SWITCH/

OC DETECT

ANALOG

Tx/ Rx

GoodLink/

POWER SWITCH/

OC DETECT

ANALOG

Tx/ Rx

GoodLink/

POWER SWITCH/

OC DETECT

ANALOG

Tx / Rx

GoodLink/

POWER SWITCH/

OC DETECT

ANALOG

Tx / Rx

GoodLink/

POWER SWITCH/

OC DETECT

self/bus

powered

D+ D− overcurrent LED/ D+ D− overcurrent LED/ D+ D− overcurrent LED/ D+ D− overcurrent LED/ D+ D− overcurrent LED/

detection power switch

detection power switch

detection power switch

detection power switch

detection power switch

downstream

port 1

downstream

port 2

downstream

port 3

downstream

port 4

downstream

port 5

MBL169

This is a conceptual block diagram and does not include each individual signal.

Fig 1. Block diagram.

9397 750 06986

Preliminary specification

Rev. 01 — 27 March 2000

© Philips Electronics N.V. 2000. All rights reserved.

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