25
Table 3-11 Pin Assignments for LEDs
Signal Name
FPGA Pin No.
Description
I/O Standard
LEDR[0]
PIN_V16
LED [0]
3.3V
LEDR[1]
PIN_W16
LED [1]
3.3V
LEDR[2]
PIN_V17
LED [2]
3.3V
LEDR[3]
PIN_V18
LED [3]
3.3V
LEDR[4]
PIN_W17
LED [4]
3.3V
LEDR[5]
PIN_W19
LED [5]
3.3V
LEDR[6]
PIN_Y19
LED [6]
3.3V
LEDR[7]
PIN_W20
LED [7]
3.3V
LEDR[8]
PIN_W21
LED [8]
3.3V
LEDR[9]
PIN_Y21
LED [9]
3.3V
3.6.2
Using the 7-segment Displays
The DE1-SoC board has six 7-segment displays. These displays are arranged into three pairs,
behaving the intent of displaying numbers of various sizes. As indicated in the schematic in
Figure
3-16
, the seven segments (common anode) are connected to pins on Cyclone V SoC FPGA.
Applying a low logic level to a segment will light it up and applying a high logic level turns it off.
Each segment in a display is identified by an index from 0 to 6, with the positions given in
Figure
3-16
.
Table 3-12
shows the assignments of FPGA pins to the 7-segment displays.
Figure 3-16 Connections between the 7-segment display HEX0 and Cyclone V SoC FPGA
Table 3-12 Pin Assignments for 7-segment Displays
Signal Name
FPGA Pin No.
Description
I/O Standard
HEX0[0]
PIN_AE26
Seven Segment Digit 0[0]
3.3V