Actel Core1553 User Manual page 12

Core1553 Development Kit Hardware
can be configured independently, based upon your needs and the type of 1553B device to be
attached.
Figure 1-4 • Jumpers J5 and J7 Settings
Jumpers J11 and J17
The daughter card must be connected to an external 9 V supply. When using the external power
supply, make sure that jumper JP11 and JP17 are properly installed as described in
Table 1-1 •
Jumper
JP11
JP17
V3P3_COMM
Figure 1-5 • Core1553 Daughter Card
1 2
1
Direct Bus
Coupling
Jumper JP11 and JP17 Settings
Jumper to select either external 3.3 V or 3.3 V
provided through connector
Jumper to select either external 5 V or 5 V provided
through legacy connector
V3P3_EXT
1
2
3
C8 C8
+ +
JP11 JP11
10uF 16V 10uF 16V
1
6
Transformer
Coupling
Function
V3P3
V5V_COMM
C9 C9
+ +
10uF 16V 10uF 16V
6
Table 1-1.
Default Setting
Pin 1–2
Pin 1–2
V5V_EXT V5V
1
2
3
JP17 JP17