Instrukcja obsługi Microchip EVB-USB3503

Microchip nieskategoryzowany EVB-USB3503

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SMSC USB3503 EVB Revision 1.0 (05-06-13)
USER MANUAL
Copyright © 2013 SMSC or its subsidiaries. All rights reserved.
Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for
construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC
reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications
before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent
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version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors
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USB3503 Evaluation Board User Manual
USB3503 EVB - Evaluation Board User Manual
Revision 1.0 (05-06-13) 2 SMSC USB3503 EVB
USER MANUAL
1 Introduction
This user manual is for the USB3503 Evaluation board. This board can be used to test and evaluate
the functionality of the USB3503 and is ideal for early system integration and software development.
The USB3503 EVB provides access to the HSIC upstream and USB downstream ports, as well as the
I2C communication pins.
SMSC also has evaluation software that can be used with the USB3503 EVB connected to a Total
Phase Aardvark adaptor. This software allows the user to configure the USB3503 in different ways
before enumeration as well as monitor and manipulate select status registers during enumeration. The
software can be used to prototype microprocessor software, evaluate the different configurations, and
test how the desired configuration fits into the entire system.
2 Operation
2.1 Contents of the Kit
The USB3503 EVB includes the basic equipment necessary to evaluate the USB3503. The items
included in the kit are:
1. USB3503 EVB
2. 5V DC Power Supply
3. Documentation and Software CD
The kit does not include any downstream USB devices, I
2C master hardware, or other components
for board customization.
2.2 Initial Bring Up
The USB3503 EVB has a default configuration that allows it to operate as a stand alone hub. To begin,
connect the U.FL connectors to the HSIC host. Then, plug the evaluation board into the 5V power
supply. The USB3503 EVB will enumerate as a Generic USB Hub, with the VID and PID equal to the
default values found in the USB3503 Datasheet.
The default configuration of the USB3503 is to enumerate as a Self Powered Hub. This means that,
according to the USB 2.0 specification, the downstream ports are only allowed to provide 500mA of
current to the downsteam device.
Refer to the next chapters to see the customization options associated with the evaluation kit.
3 Hardware
The USB3503 EVB is a board that demonstrates the capabilities of the USB3503. The board consists
of the HSIC upstream and USB downstream ports, a INT_N LED for visual confirmation of the
USB3503 EVB - Evaluation Board User Manual
SMSC USB3503 EVB 3 Revision 1.0 (05-06-13)
USER MANUAL
interrupts configured, a header exposing the I2C pins, and additional circuitry that is used for I
2C
communication.
3.1 HSIC and USB Ports
The downstream USB ports are mounted on the edges of the USB3503 EVB. The downstream ports
use the standard USB Type A receptacle. The label for the port is located near the receptacle. The
HSIC upstream port uses U.FL connectors for Data and Strobe.
Figure 3.1 Block Diagram of the USB3503 EVB
Figure 3.2 Upstream and Downstream Ports
USB3503
Upstream
HSIC
Downstream
USB
Downstream
USB
Downstream
USB
Digital IO
LED
J2: Data
Downstream3 Downstream2 Downstream1
J3: Strobe

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Marka: Microchip
Kategoria: nieskategoryzowany
Model: EVB-USB3503

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