PDIUSBH12D Просмотр технического описания (PDF) - Philips Electronics

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PDIUSBH12D

USB 2-port hub

Philips Electronics 

Philips Semiconductors

USB 2-port hub

Product specification

PDIUSBH12

BLOCK DIAGRAM

3.3V

1.5kΩ

D+

SoftConnect™

UPSTREAM

PORT

D+

D–

ANALOG

TX/RX

FULL SPEED

12 MHz

PLL

BIT CLOCK

RECOVERY

PHILIPS

SIE

INTEGRATED

RAM

MEMORY

MANAGEMENT

UNIT

I2C

SLAVE

INTERFACE

HUB

REPEATER

END OF

FRAME

TIMERS

ANALOG

TX/RX

GOODLINK™

CONTROL

ANALOG

TX/RX

GOODLINK™

CONTROL

D+ D–

LED

D+ D–

LED

DOWNSTREAM

PORT 2

DOWNSTREAM

PORT 3

NOTE:

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

GENERAL

PORT

CONTROLLER

INTERRUPT SDA SCL

NO LIGHT

LIT

BLINKING

NO

CONNECTED DATA

CONNECTION

TRANSFER

GOODLINK™

SV00852

1999 Jul 22

3

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