EK-TM4C123GXL: How i can setup adc0 and adc1 with different timers triggers?

Kevin Hinrichs

Part Number: EK-TM4C123GXL

How i can setup adc0 and adc1 with different timers triggers?

I read in the doku:

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The TM4C123GH6PM microcontroller contains two identical Analog-to-Digital Converter modules.
These two modules, ADC0 and ADC1, share the same 12 analog input channels. Each ADC module
operates independently and can therefore execute different sample sequences, sample any of the
analog input channels at any time, and generate different interrupts and triggers
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The TM4C123GH6PM microcontroller contains two identical Analog-to-Digital Converter modules.
These two modules, ADC0 and ADC1, share the same 12 analog input channels. Each ADC module
operates independently and can therefore execute different sample sequences, sample any of the
analog input channels at any time, and generate different interrupts and triggers

But i cannot find any parts in the driver lib to connect a timer directly to a adc.

I found only

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TimerControlTrigger(WTIMER5_BASE, TIMER_A, true);
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TimerControlTrigger(WTIMER5_BASE, TIMER_A, true);

But this connect a timer to all adc's and to all ss's.

over 2 years ago

+1 Charles Tsai over 2 years ago

TI__Guru**** 184426 points

Hi Kevin,

Kevin Hinrichs said:
But this connect a timer to all adc's and to all ss's.

Your understanding is correct the selected timer is routed to all adc's and ss's. I also wish there is more flexibility on the configuration.

In addition, timers can be used to trigger analog-to-digital conversions (ADC) when a time-out occurs
in periodic and one-shot modes. The ADC trigger signals from all of the general-purpose timers are
ORed together before reaching the ADC module, so only one timer should be used to trigger ADC
events.

0 Kevin Hinrichs over 2 years ago in reply to Charles Tsai

Prodigy 180 points

thank you for your quick reply

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EK-TM4C123GXL: How i can setup adc0 and adc1 with different timers triggers?