Sundance SMT148FX - Manual (Page 45)

15 DIP Switches
SW4 1
Programming/Erase of the Flash ON
Flash Reads in a view to configure FPGAs OFF
Table 4: Switch SW4
The Spartan and Virtex 4 configuration sources can be identified using SW3.
The Jumpers [1-2] of SW3 are controlling the Spartan configuration
The Jumpers [3-4] of SW3 are controlling the Virtex4 configuration.
SW3 Jumper 2 or jumper 4 Jumper 1 or Jumper3
Flash ON ON
Comport OFF ON
USB ON OFF
Table 5: Switch SW3.
The Comport as a source is a feature only supported for Virtex 4 configuration.
Examples:
When SW4[1] is OFF:
Virtex 4 Spartan
SW3 4 3 2 1
Both devices configure from Flash. ON ON ON ON
Direct configuration via USB.
(needs a host application to send the bitstreams via USB) ON OFF ON OFF
Configuration of Spartan via Flash and of Virtex 4 via CP3
connected to TIM site 1 CP0. OFF ON ON ON
Table 6: Examples of Switch configuration.
The Spartan is always the device configured first.
Do not try to configure the Virtex 4 before configuring the Spartan or the
configuration will fail.
When SW4[1] is ON, SW3[4321] should be set to ON ON ON ON.
User Manual SMT148FX Page 45 of 48 Last Edited: 03/08/2009 11:42:00