Microchip USB4715 Bruksanvisning
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2017-2018 Microchip Technology Inc.DS00002430C-page 1
INTRODUCTION
The USB-to-SPI Bridging feature gives system designers using Microchip hubs expanded system control and potential
BOM reduction. The use of a separate USB-to-SPI device is no longer required, and a downstream USB port is not lost
as occurs when a standalone USB-to-SPI device is implemented. This feature is available on Microchip hubs which con-
tain the internal Hub Feature Controller and an SPI interface. These hubs include USB4712, USB4714, USB4715,
USB4912, USB4914, USB4916, USB4925, and USB4927.
Commands may be sent from the USB Host to the internal Hub Feature Controller (HFC) device in the Microchip hub
to perform the following functions:
•Get hub information
•Reset the hub
•Force boot from internal ROM
•Enable SPI pass-through interface
•Disable SPI pass-through interface
•SPI pass-through write/read
SECTIONS
General Information
Part Number-Specific Information
Microchip Software Solutions
Low-Level Implementation
REFERENCES
Consult the following documents for details on the specific parts referred to in this document:
•USB4712 Data Sheet
•USB4714 Data Sheet
•USB4715 Data Sheet
•USB4912 Data Sheet
•USB4914 Data Sheet
•USB4916 Data Sheet
•USB4925 Data Sheet
•USB4927 Data Sheet
•SST26VF016B Data Sheet
•Configuration of the USB471x and USB49xx Application Note
AN2430
USB-to-SPI Bridging with Microchip USB471x and
USB49xx Hubs
Author:Shiva Balasubramanian
Microchip Technology Inc.
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | USB4715 |
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