J7
Removing the shunt on this jumper disconnects the
power to the right LED display U2.
Here are the connections from the XS40 and XS95 Boards to the LEDs on the XStend Board
(expressed as UCF constraints):
Listing 1:
Connections between the XStend LEDs and the XS40.
# LEFT LED DIGIT SEGMENT CONNECTIONS (ACTIVE-LOW)
NET LS_0
LOC=P3;
NET LS_1
LOC=P4;
NET LS_2
LOC=P5;
NET LS_3
LOC=P78;
NET LS_4
LOC=P79;
NET LS_5
LOC=P82;
NET LS_6
LOC=P83;
NET LDP_
LOC=P84;
#
# RIGHT LED DIGIT SEGMENT CONNECTIONS (ACTIVE-LOW)
NET RS_0
LOC=P59;
NET RS_1
LOC=P57;
NET RS_2
LOC=P51;
NET RS_3
LOC=P56;
NET RS_4
LOC=P50;
NET RS_5
LOC=P58;
NET RS_6
LOC=P60;
NET RDP_
LOC=P28;
#
# INDIVIDUAL LED CONNECTIONS (ACTIVE-LOW)
NET D_1
LOC=P41;
NET D_2
LOC=P40;
NET D_3
LOC=P39;
NET D_4
LOC=P38;
NET D_5
LOC=P35;
NET D_6
LOC=P81;
NET D_7
LOC=P80;
NET D_8
LOC=P10;
Summary of Contents for XStend
Page 29: ...XStend Bus Connections...
Page 30: ...XStend RAMs...
Page 31: ...XStend Analog I O...
Page 32: ...XStend Stereo Codec...
Page 33: ...XStend Switches LEDs VGA Interface and PS 2 Interface...
Page 34: ...XStend Board Layout...