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Integrated USB 2.0 Compatible 3-Port Hub
Datasheet
SMSC USB2503/USB2503A 7 Revision 2.3 (08-27-07)
DATASHEET
Chapter 2 Pin Table 3-Port
Table 2.1 3-Port Pin Table
UPSTREAM USB 2.0 INTERFACE (3-PINS)
USBDP0 USBDN0 VBUS_DET
3-PORT USB INTERFACE (18-PINS)
USBDP1 USBDN1 USBDP2 USBDN2
USBDP3 USBDN3 GR1/
NON_REM0
GR2/
NON_REM1
GR3/
PRT_DIS0
PRTPWR1 PRTPWR2 PRTPWR3
PRTPWR_POL OCS1_N OCS2_N OCS3_N
GANG_EN RBIAS
SERIAL PORT (3-PINS)
SDA/SMBDATA SCL/SMB-
CLK/CFG_SEL0
CFG_SEL1
MISC (8-PINS)
XTAL1/CLKIN XTAL2 RESET_N SELF_PWR
TEST1 TEST0 ATEST/
REG_EN
CLKIN_EN
POWER & GROUNDS (16-PINS)