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USB3-FRM22 User’s Manual
4
2. USB3-FRM22 Description
2-1. Layout
USB3-FRM22 Board
U
S
B
3
-
F
R
M
2
2
R
e
v.
A
U12
J2
C
N
1
U9
D9
D10
D12
D11
REF1
REF2
123 789
123 789
A
C
E
G
J
L
N
R
A
C
E
G
J
L
N
R
U10
J9
O
N
1
2
SW3
U
5
U
1
1
U13
D7
J1
U9
U14
SW1
U7
J11
J3
U4
U2
J8
J6
J7
1
1
3
3
4
4
7
7
8
8
5
5
6
6
2
2
SW4
J15
J12
J10
J14
J13
D14
[Figure 2-1. USB3-FRM22 Components Layout]
There are 6 important LEDs on the board, and the description of each is as follows.
D7
: Lights up when the board is configured and ready for operation.
D9
: Lights up when connected via USB3.0 (blinks).
D10
: The Vertical Synchronization signal line (Vsync) is connected.
This is a mark to visually check Vsync.
D11
: The Horizontal Synchronization signal line (Hsync) is connected.
This is a mark to visually check Hsync.
D12
: Displays Vertical Synchronization (Vsync) divided by 1/16.
This is a mark to visually check Vsync.
D14
:
Lights up when 3.3V power is applied.