USB2.0 Portable Card Reader
Pinouts
Pin Identification
Pin No. | Pin Name |
01 | VUSB |
02 | USB- |
03 | USB+ |
04 | VSS |
Symbol
USB-
USB+
VSS
VUSB
Function USB differential signal:
The pairs are used to transmit Data/Address/Command
Ground
USB Power Input
Block Diagram
USB Port
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| Controller |
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| VIN | VOUT |
| VUSB | 3.3V |
| SD/MMC slot: | |
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| VDDH |
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| Voltage | 1.8V Voltage | ||
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| Regulator | |
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| 12MHz | VDD/18 |
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| XTAL |
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Transcend Information, Inc. | 2 |
