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USB84604 Fiches technique(PDF) 36 Page - Microchip Technology

No de pièce USB84604
Description  USB 2.0 HSIC Hi-Speed 4-Port Controller Hub
PDF  61 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB84604 Fiches technique(HTML) 36 Page - Microchip Technology

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USB84604
DS60001295C-page 36
 2014-2016 Microchip Technology Inc.
7.3
SMBus Slave Interface
The USB84604 includes an integrated SMBus slave interface, which can be used to access internal device run time
registers or program the internal OTP memory. SMBus detection is accomplished by detection of pull-up resistors
(10 kΩ recommended) on both the SMBDATA and SMBCLK signals. To disable the SMBus, a pull-down resistor of
10 kΩ must be applied to SMBDATA. The SMBus interface can be used to configure the device as detailed in Section
6.1, "Configuration Method Selection," on page 27.
The application note AN 26.18 SMBus Slave Interface for the USB253x/USB3x13/USB46x4 [ 7] provides additional
information about register definitions. Refer to the product page of the USB84604 on our web site at www.micro-
chip.com.
Note:
All device configuration must be performed via the Microchip Protouch Programming Tool. For additional
information on the Protouch Programming Tool, contact your local Microchip sales representative.



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