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Connecting Silicon Explorer II
Powering
Silicon
Explorer II
This section describes the procedures required to connect Silicon
Explorer II to your ProASIC device, powering Silicon Explorer II, SE II
connector types, logic analysis, and the Explore software.
SE II draws power from the external power supply (provided) or by
connecting the V
IO
PCB). You must connect V
external power supply. Actel recommends using the external power
supply when the target system cannot supply enough current to run SE
II. See Table 1 for a list of possible power configurations.
Note:
When programming ProASIC devices, leave V
Table 1. Power Configurations for Silicon Explorer II
System
2.5V
3.3V
5.0V
Current Limited Sys-
tem
ProASIC
Programming
When you apply power, the yellow "heart beat" LED on Silicon
Explorer begins to blink.
pin to a power source (such as might exist on a
to a reference voltage when using the
IO
Power Configuration
• Use external power supply and connect V
2.5V reference voltage.
• Use external power supply and connect V
3.3V reference voltage or
• Connect V
to 3.3V power supply (as on a
IO
PCB)
• Connect external power supply and V
reference voltage
• Connect V
= 5.0 V
IO
• Connect external power supply and connect V
to 3.3V or 5.0V reference voltage
• Connect external power supply and
disconnect V
IO
Connecting Silicon Explorer II
unconnected.
IO
IO
to
IO
to
IO
to 5.0V
IO
3
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