ECE 241 Digital Systems
Pin-Out Information for TTL Chips and Digital Board
Digital Board Header Pin Assignment |
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Pin# |
Description |
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Description |
Pin# |
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1 |
Switch
#1 |
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o |
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o |
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Switch
#2 |
2 |
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3 |
Switch
#3 |
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o |
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o |
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Switch
#4 |
4 |
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5 |
Switch
#5 |
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o |
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o |
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Switch
#6 |
6 |
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7 |
Switch
#7 |
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o |
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o |
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Switch
#8 |
8 |
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9 |
Ground |
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o |
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o |
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NC |
10 |
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11 |
Ground |
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o |
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o |
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NC |
12 |
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13 |
Ground |
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o |
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o |
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NC |
14 |
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15 |
Ground |
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o |
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o |
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NC |
16 |
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17 |
LED
#1 |
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o |
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o |
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LED
#2 |
18 |
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19 |
LED
#3 |
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o |
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o |
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LED
#4 |
20 |
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21 |
LED
#5 |
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o |
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o |
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LED
#6 |
22 |
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23 |
LED
#7 |
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o |
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o |
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LED
#8 |
24 |
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25 |
Ground |
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o |
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o |
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NC |
26 |
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27 |
Ground |
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o |
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o |
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NC |
28 |
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29 |
Ground |
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o |
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o |
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NC |
30 |
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31 |
Ground |
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o |
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o |
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NC |
32 |
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33 |
Clock |
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o |
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o |
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NC |
34 |
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35 |
NC |
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o |
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o |
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NC |
36 |
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37 |
NC |
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o |
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o |
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Pulse
Button |
38 |
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39 |
NC |
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o |
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o |
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NC |
40 |
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