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
|
|
| Controller |
|
|
| VOUT |
| VUSB | 3.3V |
| VIN |
|
| ||
| VDDH |
| |
| Voltage | 1.8V Voltage | |
|
| ||
|
|
| |
|
|
| Regulator |
SDHC/SD/MMC xD
MS
12MHz | VDD/18 |
| |
XTAL |
|
|
|
Transcend Information, Inc. | 2 |
