Author Topic: Rigol MSO1000Z series parallel decoding: What are Bit X and CH?  (Read 323 times)

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Offline davemisbehave

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Hi,
I'm playing around with my Rigol MSO1104Z-S's parallel decoding function and there are two settings I do not understand. I've looked at the built in "Help" (pictures attached), but I simply don't get it. Would someone please be so kind as to explain to me what the following two settings are for:
Bit X ("The operating bit in bus")
CH ("Config the bit channel associated with the bus on board.")

Greetings from Hamburg, Germany :)
« Last Edit: March 13, 2017, 09:38:43 AM by davemisbehave »
 

Offline technogeeky

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Re: Rigol MSO1000Z series parallel decoding: What are Bit X and CH?
« Reply #1 on: March 13, 2017, 11:55:12 AM »
The User's Manual might be of more help here (but I checked, it isn't much more information).

I think for parallel decoding, you basically have to specify a 1-to-1 relationship between a bit (which is a HIGH or LOW signal on a single pin) and a channel.

So if you have a parallel channel with a 1 byte word (e.g. 8 bits) then you would need to map bits like so:

Pin 1 - Bit 0 - LA Channel 0
Pin 2 - Bit 1 - LA Channel 1
...
Pin 8 - Bit 7 - LA Channel 7

Then, the scope could decode those 8 pins into one byte, and display that data.
 


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