MPC5777C two eqadc module can work at the same time?

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MPC5777C two eqadc module can work at the same time?

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Alex5080
Contributor II

MPC5777C has two hardware eqadc module. To  speed sample time and collect data. I hope that  two moduel can work at the same time in parallel.   would you help to provide reference example?

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Alex5080
Contributor II

anyone can help to check this case?

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Alex5080
Contributor II

hello,  I find that those example only run one eQADC module(2 ADC units).   would you please share the example which run 2 eQADC modules(4 ADC units).?

Attached file is our file,  it canot work well.    we need close 1 eQADC modules, then run another  eQADC moduels. .we find these 2 eQADC moduels doesn't work at the same time.

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davidtosenovjan
NXP TechSupport
NXP TechSupport
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davidtosenovjan
NXP TechSupport
NXP TechSupport

I am attaching previous version (v0_2) of the example where I have been using eQADC_B, v0_3 has been changed to eQADC_A. You could combine it together.

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Alex5080
Contributor II

after combined v02/v03,  two resultis is zero.

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davidtosenovjan
NXP TechSupport
NXP TechSupport

There are 2 eQADC modules on this device, both consists of 2 ADC units => you may convert 4 channels in parallel, but it must be different channels.

Example codes you may find here, browse for eQADC:

https://community.nxp.com/t5/MPC5xxx-Knowledge-Base/MPC5-software-example-list/ta-p/1102445

 

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