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Manual
9/16/2014
PSFDUC3XXXXYXX Viking Technology
Revision B
Page 17 of 18
www.vikingtechnology.com
4 Pin and Signal Descriptions
Figure 4-1: Connector Pin Assignments
4.1 Signal and Power Description Tables
Table 4-1: eUSB Connector Pin Signal Definitions
Pin
Signal Name
Type
Description
1
VBUS
Power
3.3 or 5V power supply
2
NC
NC
Not connected
3
DM
I/O
USB 2.0 Data Negative Pin
4
NC
NC
Not connected
5
DP
I/O
USB 2.0 Data Positive Pin
6
NC
NC
Not connected
7
GND
Power
Ground
8
NC
NC
Not connected
9
N/A
Key
Polarization
10 #Activity I/O
Status signal that indicates when the drive is busy.
This signal may be used to drive a low current
LED or other logic on the host to indicate drive
status to the user or system. This signal is active
low and has a 4mA drive strength.
Notes:
1. * Available custom options: Pin 2 Chassis ground option; Pin 4 Hardware /WP; Pin 6 Hardware /Reset.
Custom options available on locked BOMs only.