R
Table 3-1: FPGA Connections to Seven-Segment Display (Active Low)
Table 3-2: Digit Enable (Anode Control) Signals (Active Low)
Table 3-3: Display Characters and Resulting LED Segment Control Values
16
Segment
A
B
C
D
E
F
G
DP
Anode Control
FPGA Pin
Character
a
0
0
1
1
2
0
3
0
4
1
5
0
6
0
7
0
8
0
9
0
A
0
b
1
C
0
d
1
E
0
F
0
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Chapter 3: Four-Digit, Seven-Segment LED Display
FPGA Pin
E14
G13
N15
P15
R16
F13
N16
P16
AN3
AN2
AN1
E13
F14
G14
b
c
d
0
0
0
0
0
1
0
1
0
0
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
0
0
1
1
0
0
0
0
1
1
0
1
1
1
Spartan-3 Starter Kit Board User Guide
AN0
D14
e
f
g
0
0
1
1
1
1
0
1
0
1
1
0
1
0
0
1
0
0
0
0
0
1
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
UG130 (v1.1) May 13, 2005
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