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USB2517I の電気的特性と機能

USB2517IのメーカーはMicrochipです、この部品の機能は「USB 2.0 Hi-Speed 7-Port Hub Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 USB2517I
部品説明 USB 2.0 Hi-Speed 7-Port Hub Controller
メーカ Microchip
ロゴ Microchip ロゴ 




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USB2517I Datasheet, USB2517I PDF,ピン配置, 機能
USB2517/USB2517I
USB 2.0 Hi-Speed 7-Port Hub Controller
General Description
The 7-Port Hub is a low power, OEM configurable, MTT
(multi transaction translator) hub controller IC with 7
downstream ports for embedded USB solutions. The 7-
port hub is fully compliant with the USB 2.0 Specifica-
tion and will attach to an upstream port as a Full-Speed
Hub or as a Full-/Hi-Speed Hub. The 7-Port Hub sup-
ports Low-Speed, Full-Speed, and Hi-Speed (if operat-
ing as a Hi-Speed Hub) downstream devices on all of
the enabled downstream ports.
General Features
• Hub Controller IC with 7 downstream ports
• High-performance multiple transaction translator
MultiTRAK™ Technology provides one transac-
tion translator per port
• Enhanced OEM configuration options available
through either a single serial I2C EEPROM, or
SMBus Slave Port
• 64-Pin (9x9 mm) QFN, RoHS compliant package
• Supports commercial (0ºC to +70ºC) and indus-
trial (-40ºC to +85ºC) temperature ranges
Hardware Features
• Low power operation
• Full Power Management with individual or ganged
power control of each downstream port
• On-chip Power On Reset (POR)
• Internal 1.8V Voltage Regulator
• Fully integrated USB termination and Pull-up/Pull-
down resistors
• On Board 24MHz Crystal Driver, Resonator, or
External 24/MHz clock input
• USB host/device speed indicator. Per-port 3-color
LED drivers indicate the speed of USB host and
device connection - hi-speed (480 Mbps), full-
speed (12 Mbps), low-speed (1.5 Mbps)
• Enhanced EMI rejection and ESD protection per-
formance
OEM Selectable Features
• Customizable Vendor ID, Product ID, and Device
ID
• Select whether the hub is part of a compound
device (When any downstream port is perma-
nently hardwired to a USB peripheral device, the
hub is part of a compound device.)
• Flexible port mapping and disable sequence.
Ports can be disabled/reordered in any order to
support multiple product SKUs. Hub will automati-
cally reorder the remaining ports to match the
Host controller's numbering scheme
• Programmable USB differential-pair pin location
- Eases PCB layout by aligning USB signal
lines directly to connectors
• Programmable USB signal drive strength.
Recover USB signal integrity due to compromised
system environments using 4-level driving
strength resolution
• Select the presence of a permanently hardwired
USB peripheral device on a port by port basis
• Configure the delay time for filtering the over-cur-
rent sense inputs
• Configure the delay time for turning on down-
stream port power
• Indicate the maximum current that the 347-port
hub consumes from the USB upstream port
• Indicate the maximum current required for the hub
controller
• Support Custom String Descriptor up to 31 char-
acters in length for:
- Product String
- Manufacturer String
- Serial Number String
• Pin Selectable Options for Default Configuration
- Select Downstream Ports as Non-Removable
Ports
- Select Downstream Ports as Disabled Ports
- Select Downstream Port Power Control and
Over-Current Detection on a Ganged or Indi-
vidual Basis
- Select USB Signal Drive Strength
- Select USB Differential Pair Pin location
2013-2016 Microchip Technology Inc.
DS00001598B-page 1

1 Page





USB2517I pdf, ピン配列
USB2517/USB2517I
TO OUR VALUED CUSTOMERS
It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip
products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and
enhanced as new volumes and updates are introduced.
If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via
E-mail at [email protected]. We welcome your feedback.
Most Current Data Sheet
To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:
http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for cur-
rent devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the
revision of silicon and revision of document to which it applies.
To determine if an errata sheet exists for a particular device, please check with one of the following:
• Microchip’s Worldwide Web site; http://www.microchip.com
• Your local Microchip sales office (see last page)
When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are
using.
Customer Notification System
Register on our web site at www.microchip.com to receive the most current information on all of our products.
2013-2016 Microchip Technology Inc.
DS00001598B-page 3


3Pages


USB2517I 電子部品, 半導体
USB2517/USB2517I
2.0 BLOCK DIAGRAM
FIGURE 2-1:
USB2517/USB2517I BLOCK DIAGRAM
To Upstream Upstream USB
VBUS
Data
24 MHz Crystal
3.3V
1.8V
To EEPROM or
SMBus Master
SDA SCK
Bus-Power
Detect/VBUS
Pulse
Upstream
PHY
Repeater
PLL
1.8V Reg
SIE
Serial
Interface
Controller
TT TT TT TT TT TT TT
Port
#1 #2 #3 #4 #5 #6 #7 Controller
Routing & Port Re-Ordering Logic
PHY#1
Port #1
OC
Sense
Switch
Driver
LED
Drivers
PHY#2
Port #2
OC
Sense
Switch
Driver
LED
Drivers
USB Data OC Sense USB Data OC Sense
Downstream Switch/LED Downstream Switch/LED
Drivers
Drivers
PHY#7
Port #7
OC
Sense
Switch
Driver
LED
Drivers
USB Data OC Sense
Downstream Switch/LED
Drivers
DS00001598B-page 6
2013-2016 Microchip Technology Inc.

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
USB2517

USB 2.0 Hi-Speed 7-Port Hub Controller

Microchip
Microchip
USB2517

USB 2.0 Hi-Speed Hub Controller

SMSC
SMSC
USB2517I

USB 2.0 Hi-Speed 7-Port Hub Controller

Microchip
Microchip


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