Using 3 Analog Channels on 16F877A

[markus747]

When adding component macro, I don't see how to use 3 analog channels, There are only ADC(0) and ADC(1) to choose from?

[JohnCrow]

Hi Markus

Im not at home to confim this but the 16F877A has far more than 2 ADC channels, Port A and Port E both have them.
I suspect this is a limitation on the free version as compared with the full versions.
Ive used 4 channels on projects on this device.

[medelec35]

ADC(0) and ADC(1) are just like component references VR1 VR2 etc on a PCB. So if you require 3 differnt analogue channels e.g an5, an6 and an7 then you will have 3 analogue components: ADC(0), ADC(1) and ADC(2)
They are not the analogue channels.
So to select 3 different analogue channels you need to add one more ADC component.

adc.png

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Then with each component, just right click and select connections and select desired Analogue channel.

That's of course if I have read question correctly?

Martin

[markus747]

So it looks like it must be added to the panel to define the connections. Is that correct I haven't seen connections anywhere else.
I added another ANALOG to panel then it appeared in list

[medelec35]

So it looks like it must be added to the panel to define the connections. Is that correct I haven't seen connections anywhere else.

Yep that is correct. If you want anymore An i/ps, then must be added to panel, then channel can be selected.