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Cyclone 10 LP RefKit User Guide
www.arrow.com
Page | 27
February 2022
3.3.15
7-segment LED Display
The C10LP RefKit board has a Quadruple seven-segment LED display to display numbers. This
display has a multiplex common anode structure to reduce the number of control signals.
The connections and the structure of the display are shown in the figures below.
Board
Reference
FPGA Pin
No.
LED
Display
Pin
Func.
Description
I/O Std
SEG_AN
PIN_H20
AN
Output
Common Anode for L1, L2 and L3
3.3 V
SEG_AN1
PIN_F20
AN1
Output
Common Anode for Digit 1
3.3 V
SEG_AN2
PIN_H16
AN2
Output
Common Anode for Digit 2
3.3 V
SEG_AN3
PIN_J20
AN3
Output
Common Anode for Digit 3
3.3 V
SEG_AN4
PIN_K17
AN4
Output
Common Anode for Digit 4
3.3 V
SEG_CA
PIN_J17
A
Output
Segment A or L1
3.3 V
SEG_CB
PIN_H17
B
Output
Segment B or L2
3.3 V
SEG_CC
PIN_G17
C
Output
Segment C or L3
3.3 V
SEG_CD
PIN_G18
D
Output
Segment D
3.3 V
SEG_CE
PIN_K18
E
Output
Segment E
3.3 V
SEG_CF
PIN_F19
F
Output
Segment F
3.3 V
SEG_CG
PIN_J18
G
Output
Segment G
3.3 V
SEG_CDP
PIN_H19
DP
Output
Decimal Point
3.3 V
E C
E C
E CC
E CD
E CE
E C
E C
E CD
E
E
E
E
E
C
D
E
D
D
Figure 21
–
4-digit 7-segment Display Connections