USB4604 datasheet(8/62 Pages) MICROCHIP

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USB 2.0 HSIC Hi-Speed 4-Port Hub Controller

Datasheet

DS00001716A-page 8

 2014 Microchip Technology Inc.

The USB4604 is available in commercial (0°C to +70°C) and industrial (-40°C to +85°C) temperature

range versions.

As shown in the ordering code matrix, two USB4604 firmware revisions are available: “-1080” and “-

1070”. The -1080 version enables the internal Hub Controller, while the -1070 version disables it. There

are no additional differences between these two versions.

The Hub Controller adds advanced functionality to the USB4604 by enabling the host to send

commands directly to it via the upstream USB connection. Commands to the Hub Controller must be

sent to the virtual 5th port in the hub. The following functions can be controlled via commands through

the Hub Controller:



USB to SMBus Bridging: The host can send commands through USB to any device connected to

the hub through the SMBus.



USB to UART Bridging: The host can send commands through SUB to any device connected to

the hub through the UART.



GPIO Control: The GPIOs on the hub can be dynamically configured and controlled by the host.



OTP Programming: Permanent customer configurations can be loaded to the One Time

Programmable memory.

USB4604 数据表(PDF) 8 Page - Microchip Technology