FM680 User Manual
r1.7
FM680
Page 22 of 32
The LEDs are located on side 2 of the PCB in the front panel area. Their locations are
depicted in Figure 7.
FPGA_LED2
FPGA_LED3
FPGA_LED1
FPGA_LED0
CPLD_LED3
CPLD_LED2
CPLD_LED0
CPLD_LED1
Figure 7: FPGA and CPLD LED locations
To turn on a LED drive the signal low. To turn a LED off, make the signal high.
FPGA Pin
Net Name
FPGA
Bank
DIR
C13
FPGA_LED0
11
O
C16
FPGA_LED1
11
O
D17
FPGA_LED2
11
O
B11
FPGA_LED3
11
O
Table 17: FPGA LED connections
The I/O standard to be assigned depends on BLAST configuration.