Instrukcja obsługi Microchip EVB-USB2507

Microchip nieskategoryzowany EVB-USB2507

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SMSC EVB-USB2507 Revision A1(06-26-07)
Copyright © 2007 SMSC or its subsidiaries. All rights reserved.
The information contained herein is proprietary to SMSC and shall be used solely in accordance with the agreement pursuant to which
it is provided. Although the information is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC reserves the
right to make changes to this document and to specifications and product descriptions at any time without notice. Neither the provision
of this information nor the sale of the described semiconductor devices conveys any licenses under any patent rights or other intellectual
property rights of SMSC or others unless specifically specified otherwise. The product may contain design defects or errors known as
anomalies, including but not necessarily limited to any which may be identified in this document, which may cause the product to deviate
from published specifications. SMSC products are not designed, intended, authorized or warranted for use in any life support or other
application where product failure could cause or contribute to personal injury or severe property damage. Any and all such uses without
prior written approval of an officer of SMSC will be fully at the risk of the customer. SMSC is a registered trademark of Standard
Microsystems Corporation ("SMSC").
SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE,
AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE
LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES; OR FOR LOST DATA,
PROFITS, SAVINGS OR REV-ENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT; TORT;
NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY
OF BUYER IS HELD TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
EVB-USB2507 Evaluation Board
EVB-USB2507 Evaluation Board
Revision A1(06-26-07) SMSC EVB-USB2507
2
1 Overview
1.1 Features
Operates from a single voltage (+5.0V, regulated) wall wart external power supply
Onboard +3.3V Regulator
Self-powered operation
Serial EEPROM for configuration information mounted in a socket
Header for SMBUS connection
Full set of green and amber LED indicators
Individual port over-current sense and power switching
Multi-TT enabled
High-speed/Full-speed capable
100mS down stream port power on time
1mA VBUS current consumption
1.2 General Description
The primary purpose of this board is to demonstrate a full-featured HUB configuration for the SMSC
USB2507 7-port HUB. This does not represent a minimal cost design. The EEPROM allows for
modifications to the base configuration - for example one or more down stream ports can be disabled
or configured as non-removable for compound device application. The DID, PID or DID information
can be changed for the HUB. The top silk screen of the evaluation board is shown in figure 1.
The EVB-USB2507Q board can be configured via EEPROM or from an external SMBus master. If an
external SMBus master is available it can be connected to header J1. Table 1 shows the jumper
settings to select SMBus or EEPROM. Note that internal default is not supported on this board.
The EVB-USB2507Q can configure the hub to report as self-powered or bus-powered. Table 2shows
the jumper selection.
The board itself does not support true bus power mode. The external power supply must be connected
for the board to operate.
A Windows utility E2PROMAPP is included in the package to allow modifications of the base
configuration EEPROM. The bin file evb-usb2507_01.bin contains the base configuration. A screen
shot from the application is shown in figure 2. After changes has been selected click the button "Create
EEPROM File". Note that if the output file name is put file name it the same as the in will be overwritten
with the new values. The output file name can be changed before creating a new bin file. The bin file
format is compatible with most EEPROM programmers.
EVB-USB2507 Evaluation Board
SMSC EVB-USB2507 Revision A1(06-26-07)
3
Figure 1.1 Top Silk Screen of EVB-USB2507Q
Table 1 Configuration Source
CONFIGURATION CFG_SEL1 CFG_SEL0
SMBus Configuration
(SMBUS connects to J1)
J4 shunt 3-5 (0) Don’t care
Internal default with
strapping options
J4 shunt 1-3 (1) J1 shunt 3-4 (0)
EEPROM configuration J4 shunt 1-3 (1) J1 open 3-4 (1)
Table 2 Self/Bus Powered Operation
MODE SELF_PWR
Bus Powered Operation J4 shunt 4-6 (0)
Self Powered Operation J4 shunt 2-6 (1)

Specyfikacje produktu

Marka: Microchip
Kategoria: nieskategoryzowany
Model: EVB-USB2507

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