
Integrated USB 2.0 Compatible
Datasheet
Chapter 3 Pin Configuration 3-Port Hub
| TEST1 | CLKIN EN | OCS1 N | PRTPWR1 | OCS2 N | VDD18 | VSS | VBUS DET | SELF PWR | CFG SEL1 | SCL/SMBCLK/CFG SEL0 | SDA/SMBDATA |
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| 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 |
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RESET_N | 37 |
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| 24 | TEST0 |
VSS | 38 |
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| 23 | VDD18 |
VDD33CR | 39 |
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| 22 | VSS |
VDD18 | 40 |
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| 21 | GR1/NON_REM0 | ||
VSS | 41 |
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| USB2503 |
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| 20 | GANG_EN | |||
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XTAL2 | 42 |
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| 19 | GR2/NON_REM1 |
XTAL1/CLKIN | 43 |
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| 18 | PRTPWR_POL | |
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| USB2503A |
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VDDA18PLL | 44 |
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| 17 | GR3/PRT_DIS0 | |||||
VDDA33PLL | 45 |
| (Top View | 16 | PRTPWR2 | ||||||||
ATEST/REG_EN | 46 |
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| Thermal Slug |
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| 15 | OCS3_N | |||
RBIAS | 47 |
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| 14 | PRTPWER3 | ||||
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VSS | 48 |
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| 13 | VDDA33 |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
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| VDDA33 | USBDP0 | USBDN0 | VSS | USBDN1 | USBDP1 | VDDA33 | USBDP2 | USBDN2 | VSS | USBDN3 | USBDP3 |
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| Indicates pins on the bottom of the device. |
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| Figure 3.1 |
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Revision 2.3 | 8 | SMSC USB2503/USB2503A |
| DATASHEET |
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