AT43312 Ver la hoja de datos (PDF) - Atmel Corporation

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AT43312

Self- and Bus Powered USB Hub Controller

Atmel Corporation 

Block Diagram

HUB

CONTROLLER

SERIAL INTERFACE

ENGINE

Upstream port

Port0

HUB

REPEATER

ENDPOINT 0

ENDPOINT 1

PORT1

PORT2

PORT3

PORT4

To downstream

devices

Note:

This document assumes that the reader is familiar with the Universal Serial Bus and therefore only describes the unique fea-

tures of the AT43312 chip. For detailed information about the USB and its operation, the reader should refer to the Universal

Serial Bus Specification Version 1.0, January 19, 1996.

Figure 1. Device Pins

LFT

OSC1

PSC2

DP0

DM0

BUS/SELF

VREF

VCC3

VCC5

VCCA

GND

OSC

&

PLL

SERIAL

INTERFACE

ENGINE

HUB

REPEATER

PORT4

PORT3

PORT2

HUB

CONTROLLER

PORT4

DP4

DM4

OVL4

PWR4

STAT4

DP3

DM3

OVL3

PWR3

STAT3

DP2

DM2

OVL2

PWR2

STAT2

DP1

DM1

OVL1

PWR1

STAT1

2

AT43312

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