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Signal Connections • 23

3.4 Clock Source Pads

In addition to the clock signal pads, the frequency sources can also be wired

through the soldering pads. The clock source links to the clock input of the

8254 timer/counter by soldering a wire between its corresponding pads.

For example:

If counter 1 needs a 10kHz clock input, simply solder a wire between pads

"10k" and "CLK1" and insert a jumper in the position "X1" of the JP1 as

shown below:

X1/ 2

X1/ 4

JP1

100K

10K

[Hz]

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ADLINK Technology ACL -6128 Betriebsanweisung Seite 29