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TMS570LS0432: TMS570LS0432

Part Number: TMS570LS0432

Hello,

I am using TMS570ls0432 and have a question about adc. On forum https://e2e.ti.com/support/microcontrollers/hercules/f/312/p/641716/2390901?tisearch=e2e-sitesearch&keymatch=adc%20tms570ls0432#2390901 I found that :

The ADC timing for each channel is: T(channel) = T(discharge) + T(sample) + T(conversion)  (clear, found in documentation)
and the total ADC timing is: T(total) = Channel_Number * T(channel) + (Channel_Number - 1)*5*T(vclk) 

But I can't find reference in documentation why T(total) is calculated as Channel_Number * T(channel) + (Channel_Number - 1)*5*T(vclk) (especially about (Channel_Number - 1)*5*T(vclk) ). Could you please provide link on document where this formula is described and is said why (Channel_Number - 1)*5*T(vclk) should be added for calculation total time?