User guide

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84
Pin Function In/Out
1 VCC 5V -
2 Pan Select 1 I
3 Pan Select 2 I
4 Tilt Select 1 I
5 Tilt Select 2 I
6 Good DMX O
7 DMX Direction O
8 BCD Hun 1 I
9 BCD Hun 2 I
10 BCD Hun 4 I
11 VCC 5V -
12 GND -
13 Clk In I
14 Clk Out O
15 DAC Wr O
16 DAC A0 O
17 DAC A1 O
18 DAC LDAC O
19 D0 I/O
20 D1 I/O
21 D2 I/O
22 D3 I/O
23 O/P1 Clk O
24 O/P2 Clk O
25 DMX Transmit O
26 DMX Receive I
27 D4 I/O
28 D5 I/O
29 D6 I/O
30 D7 I/O
31 GND -
32 VCC 5V -
33 Audio Trigger I
34 Colour Index I
35 Gobo Index I
36 Mode I
37 Pan Invert I
38 Tilt Invert I
39 Pan / Tilt Swap I
40 IP Clk O
Pin
Functions
Circuit
Operation
The AL4800 uses two additional 8 bit latches (U8 & U9) and
an 8 bit receiver (U6) in order to extend the effective pin
count of the circuit.
Pin functions are described below.
Motors