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9
Pin Function In / Out
1 NC -
2 VCC I
3 Output 1 (PH1-1) O
4 BCD input (HUN1) I
5 BCD input (HUN2) I
6 BCD input (HUN4) I
7 BCD input (HUN8) I
8 Output 12 (PH3-4) O
9 Output 11 (PH3-3) O
10 Output 10 (PH3-2) O
11 Output 9 (PH3-1) O
12 BCD input (TEN8) I
13 BCD input (TEN4) I
14 BCD input (TEN2) I
15 BCD input (TEN1) I
16 RESET (Active low) I
17 TEST (Connect to 0V) I
18 NC -
19 GND I
20 VCC I
21 NC -
22 NC -
23 Analogue Bus D (AN-D) I
24 Analogue Bus C (AN-C) I
25 NC -
26 NC -
27 NC -
28 NC -
29 VCC (Analogue) I
30 GND (Analogue) I
31 Analogue Bus A (AN-A) I
32 Analogue Bus B (AN-B) I
33 Analogue Address (ANAD1) O
34 Analogue Address (ANAD0) O
35 NC -
36 GND I
37 VCC I
38 Zero Cross Input. Active Low (ZC3) I
39 NC -
Pin
Functions
40 Curve select (CURVE1) I