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USB2503A 데이터시트(PDF) 9 Page - SMSC Corporation

부품명 USB2503A
상세설명  Integrated USB 2.0 Compatible 3-Port Hub
PDF  43 Pages
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제조업체  SMSC [SMSC Corporation]
홈페이지  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2503A 데이터시트(HTML) 9 Page - SMSC Corporation

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Integrated USB 2.0 Compatible 3-Port Hub
Datasheet
SMSC USB2503/USB2503A
9
Revision 2.3 (08-27-07)
DATASHEET
Chapter 4 3-Port Hub Block Diagram
Figure 4.1 3-Port Block Diagram
Table 4.1 3-Port Hub Pin Descriptions
NAME
SYMBOL
TYPE
FUNCTION
UPSTREAM USB 2.0 INTERFACE
USB Bus Data
USBDN0
USBDP0
IO-U
These pins connect to the USB bus data signals.
Detect Upstream
VBUS Power
VBUS_DET
I/O12
Detects state of Upstream VBUS power (indicates the
power-managed state of the upstream device).
Upstream
V
BUS
Upstream
PHY
Upstream
USB Data
Repeater
Controller
SIE
Serial
Interface
PLL
24 MHz
Crystal
To
EEPROM
or SMBus
Master
Routing Logic
SCL
SD
TT
#1
TT
#2
TT
#3
Port
Controller
Downstream
PHY #1
Port #1
OC Sense
Switch Driver
LED Drivers
Downstream
PHY #3
Port #3
OC Sense
Switch Driver
LED Drivers
...
Downstream
USB Data
OC
Sense
Switch/LED
Drivers
Downstream
USB Data
OC
Sense
Switch/LED
Drivers
V
BUS
Power
Detect
Pin
Strapping
Options
Internal
Defaults
Select
3.3V
1.8V
Reg.
1.8V
Cap



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