User guide

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33
Pin Function In/Out
1 VCC 5V -
2 SW 1 O
3 SW 2 O
4 SW 3 O
5 SW 4 O
6 SW 5 O
7 SW6 O
8 SW 7 O
9 SW 8 O
10 GND -
11 BCD Unit 1 I
12 BCD Unit 2 I
13 Analogue 1 O
14 Analogue 2 O
15 BCD Ten 1 I
16 BCD Ten 2 I
17 BCD Ten 4 I
18 BCD Ten 8 (msb) I
19 Osc1 (16mhz crystal) -
20 Osc2 (16mhz crystal) -
21 NC -
22 DMX512 TTL Receive I
23 NC -
24 Good Rx (Open Collector, Lo=Good) O
25 BCD Unit 8 I
26 BCD Unit 4 I
27 Test (Connect to GND) I
28 BCD Hundred 4 I
29 BCD Hundred 2 I
30 BCD Hundred 1 I
31 GND -
32 MCLR (Connect to VCC) I
33 SW 16 O
34 SW 15 O
35 SW14 O
36 SW 13 O
37 SW 12 O
38 SW11 O
39 SW 10 O
40 SW 9 O
Pin
Functions