how to config adc interrupt

jerryxie1 — Tue, 09 Jan 2018 03:16:59 GMT

I have to convert multiple adc channel,use interrupt, configration adc[0]->SC1[1] , program cannot enter interrupt, but configration adc[0]->SC1[0] is correct ,

Re: how to config adc interrupt

PetrS — Tue, 09 Jan 2018 07:39:53 GMT

Hi,

ADC doesn’t support the sequential conversion for multiple channels using a single software trigger. Moreover, just a SC1A (or SC1[0]) can be used for software trigger. None of the SC1B-SC1n registers are used for software trigger operation.

You should involve the PDB to trigger multiple channels. You can find several threads discussing PDB. For example

https://community.nxp.com/message/851097

https://community.nxp.com/message/867719

BR, Petr

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how to config adc interrupt

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