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MSO8104A clk pin on digital pod

Question asked by jbeniston on Dec 3, 2007
Latest reply on Aug 10, 2009 by rmarkley

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Hi,

The digital probe pod with my MSO8104A includes a pin labeled "Clk". (Along with 16 data and 1 ground)

However, when using Setup/Digital/Bus N, the "State Clock" drop down only shows enabled analog and digital data channels (0-16). How can I tell it to use the "Clk" pin?

Thanks,
Jon

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edgardog Dec 10, 2007 4:07 PM
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You can place that Clk pin on one of the 16 channels or to an analog channel through a probe, for instance. Then, you can select Clk to be in State Clock as Channel1-4 or Digital0-15. Does this answer the question?

edgardog
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jbeniston Feb 8, 2008 8:37 AM
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I don't think so.

What I mean is there is a probe labelled Clk on the Pod. (Not that I have a pin labelled clk that I'm trying to probe.) Maybe it is a non-standard pod.
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syuan Jul 9, 2008 8:36 AM
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I have the same question.

I'm using all D15-D0 as my data lines. The clk pin on the pod doesn't seem to serve any purpose. It'll be nice to be able to clock data in using the clk pin. That's what I thought it will do. But it does not.
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rmarkley Jul 9, 2008 9:02 PM
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"
I have the same question.

I'm using all D15-D0 as my data lines. The clk pin on the pod doesn't seem to serve any purpose. It'll be nice to be able to clock data in using the clk pin. That's what I thought it will do. But it does not.
"

Hi Scott,

Does your flying lead set look like this?

This is the flying lead set that comes with the MSO8000-series - it is actually leveraged from our Logic Analyzers and is designed to work with the 40-pin connector on the MSO cable, as well as the 40-pin connector on the Logic Analyzer cable itself. That is why it has a separate pin/channel for clock - the Logic Analyzers are setup to use that "17th" channel as clock.

You might ask why we use that flying lead set if you can't use the clk pin - the main reason is the flexibility that is provided by using a 40-pin connector that is similar to our Logic Analyzers - it allows the user to select from a wide set of probing options that are the same whether you are using a LA or a Scope - anything from flying leads (that come standard) to Mictor/Samtec/SoftTouch connections. Unfortunately, when we first introduced our MSO it was timing only - no need for a clock signal. Now that we have added a state mode to the MSO, it would definitely be nice to use that clock pin (like you suggest) but it is not something we can do at this moment

BTW - Edgardog explains the correct way that the MSO8000-series works (for both state mode when using a clock).

I hope this helps.

-Rich
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KevinM Aug 10, 2009 10:37 AM
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"Unfortunately, when we first introduced our MSO it was timing only "

I'm guesing this includes my MSO6054A, circa 2008? I've been trying to get it into state mode with trigger setup commands with no luck. The documentation is unclear. Please confirm.
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rmarkley Aug 10, 2009 11:02 AM
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"
"Unfortunately, when we first introduced our MSO it was timing only "

I'm guesing this includes my MSO6054A, circa 2008? I've been trying to get it into state mode with trigger setup commands with no luck. The documentation is unclear. Please confirm.
"

That is correct - the MSO6054A is a timing only MSO. I'll pass on the request to enable a state mode functionality with our 6000-series to our R&D team and Planners - thanks for the feedback.

-Rich
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MSO8104A clk pin on digital pod

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