Preliminary - Information Subject to Change - 9/24/98
EZ-USB Development Board
5 - 23
Connector,
Switch Jumper
and Indicator
Locations
The development board has two indicators.
The red “Power” LED is connected to the input of the 3.3 volt
regulator. It is ON whenever USB power or external power is
applied to the board.
Figure 5-5: Locations of Switches and Jumpers
P 7 S IO -1
P6
SI
O
-0
1 3 5 7
2 4 6 8
G N D +5 V
E X T B U S
J2
J4
J4
J5
P 3
P 2
P 1
J4
U9
J3
P 4
P 5
1 2
1 2
1 2
1 2
19 2 0
1 2
19 2 0
19 2 0
19 2 0
19 2 0
1
2
3
4
I
2
C
S 6
S 1
S 2
S 3
S 4
S 5
RE S E T
P ow e r L igh t
B K P T Lig ht
1
2
3
D IS C O N
P C B
P ow e r
S ele c t
U S B
U A R T
B uffers
5 V
P ow e r
In pu t
1
8
